August weather forecast and climate
South Effingham, NH

August, the last month of the summer, in South Effingham, is also a moderately hot month, with average temperature varying between 77.2°F (25.1°C) and 56.7°F (13.7°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 77.2°F (25.1°C). The average low-temperature, in South Effingham, New Hampshire, is 56.7°F (13.7°C).

Humidity

The average relative humidity is 79%.

Rainfall

In South Effingham, it is raining for 14.3 days, with typically 2.2" (56mm) of accumulated precipitation. In South Effingham, during the entire year, the rain falls for 138 days and collects up to 30.08" (764mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13.9h.

Sunshine

The month with the most sunshine is August, with an average of 10h of sunshine.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in South Effingham?

In August, in South Effingham, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in August in South Effingham?

In South Effingham, the average relative humidity in August is 79%.

How much does it rain in South Effingham in August?

In South Effingham, during August, the rain falls for 14.3 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in South Effingham?

In South Effingham snow does not fall in June through September.

What is the average length of the day in August in South Effingham?

In South Effingham, New Hampshire, the average length of the day in August is 13.9h.

What month has the most sunshine in South Effingham?

August has the most sunshine of the year, with an average of 10h of sunshine.

How long on average sun shines in August in South Effingham?

In South Effingham, the average sunshine in August is 10h.

When is the highest UV index in South Effingham?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in August in South Effingham?

In August, the average daily maximum UV index in South Effingham is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in August - South Effingham, NH
  • Average high temperature in August: 25.1°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in August: 13.7°C

The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-10.1°C).

Average pressure in August - South Effingham, NH
  • Average pressure in August: 1014.7mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

Average wind speed in August - South Effingham, NH
  • Average wind speed in August: 7.8km/h

The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest months (with the lowest average wind speed) are July and August (7.8km/h).

Average humidity in August - South Effingham, NH
  • Average humidity in August: 79%

Months with the highest relative humidity are January and February (85%).
Months with the lowest relative humidity are April and November (77%).

Average rainfall in August - South Effingham, NH
  • Average rainfall in August: 56mm

The wettest month (with the highest rainfall) is October (84mm).
The driest month (with the least rainfall) is September (39mm).

Average rainfall days in August - South 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 - South Effingham, NH
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (247mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August - South Effingham, NH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (11.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - South Effingham, NH
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in August: 10h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.5h).

Average sunshine days in August - South 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 - South Effingham, NH
  • Average UV index in August: 5

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 - South 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 - South Effingham, NH
  • Average visibility in August: 8km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).