August weather forecastMerstham, United Kingdom

August weather for Merstham, United Kingdom: The last month of the summer, August, is also an agreeable month in Merstham, United Kingdom, with an average temperature fluctuating between 13.8°C (56.8°F) and 21.6°C (70.9°F). July and August, with an average of 8.4h of sunshine, are months with the most sunshine in Merstham, United Kingdom.

August

Weather in August

The last month of the summer, August, is also an agreeable month in Merstham, United Kingdom, with an average temperature fluctuating between 13.8°C (56.8°F) and 21.6°C (70.9°F).

Temperature

As Merstham, United Kingdom, transitions into August, the average high-temperature stands at a still agreeable 21.6°C (70.9°F), offering little variation from the preceding month. Throughout August, the temperature falls to an average low of 13.8°C (56.8°F).

Humidity

The months with the lowest humidity in Merstham are July and August, with an average relative humidity of 74%.

Rainfall

In Merstham, United Kingdom, in August, during 13.6 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Merstham, during the entire year, the rain falls for 162.7 days and collects up to 388mm (15.28") of precipitation.

Snowfall

In Merstham, United Kingdom, snow does not fall in May through October.

Daylight

The average length of the day in August is 14h and 32min.
On the first day of August, sunrise is at 5:26 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:48 pm BST.

Sunshine

The months with the most sunshine are July and August, with an average of 8.4h of sunshine.

UV index

In Merstham, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 4 during August, leads to the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

The average high-temperature, in August, in Merstham, is 21.6°C (70.9°F), while the average low-temperature is 13.8°C (56.8°F).

July and August, with an average relative humidity of 74%, are the least humid months in Merstham.

In August, the average relative humidity is 74%.

In Merstham, United Kingdom, in August, it is raining for 13.6 days, with typically 37mm (1.46") of accumulated precipitation.

In Merstham, snow does not fall in May through October.

In Merstham, United Kingdom, the average day length in August is 14h and 32min.

In August, on the first day of the month, sunrise is at 5:26 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:48 pm BST.

July and August, with an average of 8.4h of sunshine, are months with the most sunshine in Merstham, United Kingdom.

The average sunshine duration in August in Merstham, United Kingdom, is 8.4h.

In Merstham, United Kingdom, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Merstham, United Kingdom

  • Average high temperature in August: 21.6°C

The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (6.7°C).

  • Average low temperature in August: 13.8°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).

Average pressure in August
Merstham, United Kingdom

  • Average pressure in August: 1015mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

Average wind speed in August
Merstham, United Kingdom

  • Average wind speed in August: 12.8km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest months (with the lowest average wind speed) are July, August and September (12.8km/h).

Average humidity in August
Merstham, United Kingdom

  • Average humidity in August: 74%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in August
Merstham, United Kingdom

  • Average rainfall in August: 37mm

The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in August
Merstham, United Kingdom

  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in August
Merstham, United Kingdom

  • Average snowfall in August: 0mm

The month with the highest snowfall is February (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in August
Merstham, United Kingdom

  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.8 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
Merstham, United Kingdom

  • Average daylight in August: 14h and 30min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in August: 8h and 24min

The months with the most sunshine are July and August (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in August
Merstham, United Kingdom

  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in August
Merstham, 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, November and December (UV index 2).

Average cloud cover in August
Merstham, United Kingdom

  • Average cloud cover in August: 47

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).

Average visibility in August
Merstham, 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).