The day of the year with the warmest water is August 10, with an average temperature of 64°F. In this report, we use a base of 50°F and a cap of 86°F. Outlook for Friday to Sunday. The number of hours during which the Sun is visible (black line). The chance of a wet day peaks at 33% on June 15. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Portsmouth, NH Weather History star_ratehome. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In 2021, the shortest day is December 21, with 9 hours, 0 minutes of daylight; the longest day is June 20, with 15 hours, 22 minutes of daylight. A little cooler on Friday with a mixture of sunny spells and scattered showers. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. High Temp: 81 °F. Lowell Portsmouth experiences significant seasonal variation in monthly liquid-equivalent snowfall. There is only a single weather station, Portsmouth International Airport at Pease, in our network suitable to be used as a proxy for the historical temperature and dew point records of Portsmouth. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Yearly [Annual], Average Temperatures & Extremes with Mean Yearly Rainfall-Snowfall Climatology for Portsmouth NH Lat=43.0N Lon=70.5W Elevation=n/a Number of years available from 1961 to 1990: 10 Maximum temperature 1961 to 1990: 101 F Minimum temperature 1961 to 1990: -12 F Mean Annual Precipitation: 42.2 inches Mean Annual Snowfall: 67.6 inches The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. 14-day weather forecast for Portsmouth. As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Low Temp: 18 °F. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The hottest time of year in Portsmouth is normally July. Portsmouth climate summary The Portsmouth lies on 12m above sea level The climate is cold and temperate. The earliest sunrise is at 5:03 AM on June 14, and the latest sunrise is 2 hours, 21 minutes later at 7:24 AM on November 6. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. The percentage of time spent at various humidity comfort levels, categorized by dew point. Wells In Portsmouth, there are 4 comfortable months with high temperatures in the range of 70-85°. According to Köppen and Geiger, this climate is classified as Dfb. January is the coldest month, with temperatures averaging -4.7 °C | 23.5 °F. Based on this score, the best time of year to visit Portsmouth for general outdoor tourist activities is from late June to mid September, with a peak score in the second week of August. Based on this score, the best time of year to visit Portsmouth for hot-weather activities is from early July to mid August, with a peak score in the last week of July. The Area of Portsmouth is roughly 43.57 km² (16.82 mi²) The least muggy day of the year is February 23, when muggy conditions are essentially unheard of. Weather data is prone to errors, outages, and other defects. July is the hottest month for Portsmouth with an average high temperature of 81.9°, which ranks it as warmer than most places in New Hampshire. ): 44.2 [The annual rainfall in inches.Snowfall (in. Based on the tourism score, the best time of year to visit Portsmouth for warm-weather activities is from late June to mid September. Monthly: 1981-2010 normals Based on weather reports collected during 1985–2015. Portsmouth 7 day weather forecast including weather warnings, temperature, rain, wind, visibility, humidity and UV North Hampton Longitude W70.8 – Latitude N43.1 • Rockingham County, New Hampshire, USA . The most monthly precipitation in Portsmouth occurs in September with 8.5 inches. For the purposes of this report, the geographical coordinates of Portsmouth are 43.072 deg latitude, -70.763 deg longitude, and 16 ft elevation. Portsmouth, Hampshire, United Kingdom - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Portsmouth, United Kingdom The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Over the course of the year, the temperature typically varies from 19°F to 80°F and is rarely below 5°F or above 89°F . Manchester Daily high temperatures increase by 10°F, from 49°F to 60°F, rarely falling below 39°F or exceeding 72°F.. Daily low temperatures increase by 9°F, from 34°F to 43°F, rarely falling below 26°F or exceeding 51°F.. For reference, on July 21, the hottest day of the year, temperatures in Portsmouth typically range … Showers clearing on Thursday night. Rain alone is the most common for 12 months, from January 18 to January 5. The average temperature in Portsmouth is 10.4 °C | 50.8 °F. The solar day over the course of the year 2021. The figure below shows you a compact characterization of the entire year of hourly average temperatures. Rochester Dover We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. To characterize how pleasant the weather is in Portsmouth throughout the year, we compute two travel scores. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmouth was formerly the home of the Strategic Air Command's Pease Air Force Base, since converted to Portsmouth International Airport at Pease. Daylight saving time (DST) is observed in Portsmouth during 2021, starting in the spring on March 14, lasting 7.8 months, and ending in the fall on November 7. The figure below presents a compact representation of key lunar data for 2021. The predominant average hourly wind direction in Portsmouth varies throughout the year. This will be reached in August. Average Weather in April in Portsmouth New Hampshire, United States. The average minimum temperature (usually the minimum temperature is noted during the night) in Portsmouth in November is -2.0°C (28.4°F). The topography within 2 miles of Portsmouth is essentially flat, with a maximum elevation change of 82 feet and an average elevation above sea level of 24 feet. Average monthly temperatures in Portsmouth (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 0.5: 2: 6.7: 13: 19.1: 24.2: 27.3: 26.4 The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Even in the driest month there is a lot of rain. ): 49.4 [The annual snowfall in inches.Precipitation Days: 121 [The annual number of days with measurable precipitation (over .01 inch).Sunny Days: 198 [The average number of days per year that are predominantly sunny.Average July High Temperature: 83 The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). The cold season lasts for 3.4 months, from December 3 to March 14, with an average daily high temperature below 43°F. The average annual temperature in Portsmouth is 8.5 °C | 47.3 °F. New Hampshire Weather Averages Select a link for the average weather, by month or year, in cities, towns and parks throughout New Hampshire. The windier part of the year lasts for 6.1 months, from October 14 to April 19, with average wind speeds of more than 8.2 miles per hour. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. Brockton The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. The black line is the percentage chance that a given day is within the growing season. wind … January is the snowiest month in the 03801 zip code with 16.7 inches of snow, and 6 months of the year have significant snowfall. Most of the precipitation here falls in November, averaging 128 mm | 5.0 inch. Edremit, Turkey (5,462 miles away) and NikkÅ, Japan (6,608 miles) are the far-away foreign places with temperatures most similar to Portsmouth (view comparison). The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Portsmouth, United Kingdom: Annual Weather Averages July is the hottest month in Portsmouth with an average temperature of 17°C (63°F) and the coldest is January at 4°C (39°F).. Average Weather during December in Portsmouth (New Hampshire), United States of America. Shortwave radiation includes visible light and ultraviolet radiation. The least snow falls around July 15, with an average total liquid-equivalent accumulation of 0.0 inches. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. 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