August weather forecastJaffrey, NH
August
Weather in August
August, the last month of the summer in Jaffrey, is another warm month, with an average temperature fluctuating between 57.6°F (14.2°C) and 77.5°F (25.3°C).Temperature
The initiation of August sees an average high-temperature of a still warm 77.5°F (25.3°C), showing minor variations from the previous month. August nights in Jaffrey observe an average temperature dip to a refreshing 57.6°F (14.2°C).Humidity
The average relative humidity in August in Jaffrey is 78%.Rainfall
In August, the rain falls for 15.8 days. Throughout August, 2.36" (60mm) of precipitation is accumulated. In Jaffrey, during the entire year, the rain falls for 149.5 days and collects up to 32.13" (816mm) of precipitation.Snowfall
In Jaffrey, snow does not fall in June through September.Daylight
The average length of the day in August in Jaffrey is 13h and 53min.On the first day of August, sunrise is at 5:40 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:23 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 9.9h of sunshine.UV index
In August, the average daily maximum UV index in Jaffrey is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Jaffrey, NH
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in August: 57.6°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Jaffrey, NH
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Jaffrey, NH
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Jaffrey, NH
- Average humidity in August: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Jaffrey, NH
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in August
Jaffrey, NH
- Average rainfall days in August: 15.8 days
The months with the highest number of rainy days are May, June and August (15.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in August
Jaffrey, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Jaffrey, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Jaffrey, NH
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in August
Jaffrey, NH
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in August
Jaffrey, NH
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Jaffrey, NH
- Average cloud cover in August: 38
The months with the most cloud cover are February and March (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in August
Jaffrey, 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).
