Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
In August, Hemel Hempstead experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 21.6°C (70.9°F) in July to a still pleasant 21.2°C (70.2°F). During August, Hemel Hempstead consistently records a temperature low averaging a refreshing 13.3°C (55.9°F).Humidity
With an average relative humidity of 76%, August is the least humid month.Rainfall
In Hemel Hempstead, United Kingdom, during August, the rain falls for 14.4 days and regularly aggregates up to 37mm (1.46") of precipitation. In Hemel Hempstead, during the entire year, the rain falls for 159.2 days and collects up to 359mm (14.13") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Hemel Hempstead, United Kingdom, the average length of the day in August is 14h and 35min.On the first day of August in Hemel Hempstead, sunrise is at 5:25 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:50 pm BST.
Sunshine
July and August, with an average of 8h of sunshine, are months with the most sunshine in Hemel Hempstead.UV index
In Hemel Hempstead, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in August suggests the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Hemel Hempstead?
What is the least humid month in Hemel Hempstead?
What is the average humidity in August in Hemel Hempstead?
How many days does it rain in August in Hemel Hempstead?
When it does not snow in Hemel Hempstead?
How many hours of daylight does Hemel Hempstead have in August?
When are sunrise and sunset in August in Hemel Hempstead?
What are the months with the most sunshine in Hemel Hempstead?
How many hours of sunshine does Hemel Hempstead have in August?
What is the UV index intensity in August in Hemel Hempstead?
Average temperature in August
Hemel Hempstead, United Kingdom
- Average high temperature in August: 21.2°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in August: 13.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in August
Hemel Hempstead, United Kingdom
- Average pressure in August: 1014.7mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in August
Hemel Hempstead, United Kingdom
- Average wind speed in August: 13.3km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in August
Hemel Hempstead, United Kingdom
- Average humidity in August: 76%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in August
Hemel Hempstead, United Kingdom
- Average rainfall in August: 37mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in August
Hemel Hempstead, United Kingdom
- Average rainfall days in August: 14.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in August
Hemel Hempstead, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is December (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Hemel Hempstead, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Hemel Hempstead, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in August: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in August
Hemel Hempstead, United Kingdom
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Hemel Hempstead, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Hemel Hempstead, United Kingdom
- Average cloud cover in August: 49
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in August
Hemel Hempstead, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
