August weather forecastEffingham, NH
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Effingham, New Hampshire, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 77.2°F (25.1°C).Temperature
Effingham marks the arrival of August with an average high-temperature of a still warm 77.2°F (25.1°C), hardly different from July's 78.4°F (25.8°C). Effingham anticipates an average minimum temperature of 56.7°F (13.7°C) in the month of August.Humidity
In Effingham, the average relative humidity in August is 79%.Rainfall
In Effingham, in August, it is raining for 14.3 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 138 rainfall days, and 30.08" (764mm) of precipitation is accumulated.Snowfall
In Effingham, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 56min.On the first day of August, sunrise is at 5:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:20 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Effingham, NH
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in August: 56.7°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in August
Effingham, NH
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Effingham, NH
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in August
Effingham, NH
- Average humidity in August: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in August
Effingham, NH
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in August
Effingham, NH
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Effingham, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Effingham, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Effingham, NH
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Effingham, NH
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in August
Effingham, NH
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Effingham, NH
- Average cloud cover in August: 36
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in August
Effingham, NH
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





