May weather forecast
Hounslow, United Kingdom

May

Weather in May

The last month of the spring, May, is an enjoyable month in Hounslow, United Kingdom, with an average temperature varying between 16.8°C (62.2°F) and 7.9°C (46.2°F).

Temperature

With the advent of May, Hounslow's high-temperatures adjust to an enjoyable 16.8°C (62.2°F), closely aligning with the preceding month. Hounslow, in May, witnesses an average low-temperature of 7.9°C (46.2°F).

Humidity

In Hounslow, the average relative humidity in May is 76%.

Rainfall

January, March through May are months with the least rain when the rain falls for 9.8 days and typically aggregates up to 9mm (0.35") of rain.

Snowfall

In Hounslow, United Kingdom, snow does not fall in April through November.

Daylight

The average length of the day in May is 15h and 38min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:25 pm. On the last day of May, in Hounslow, sunrise is at 4:50 am and sunset at 9:08 pm BST.

Sunshine

In May, the average sunshine in Hounslow is 7.5h.

UV index

In Hounslow, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. 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.

Frequently asked questions

What are the temperatures in Hounslow in May?
The high-temperature, in May, in Hounslow, is 16.8°C (62.2°F), while the low-temperature averages to 7.9°C (46.2°F).
What is the average humidity in May in Hounslow?
The average relative humidity in May is 76%.
What is the driest month in Hounslow?
January, March through May are months with the least rain in Hounslow, United Kingdom, when the rain falls for 9.8 days and typically aggregates up to 9mm (0.35") of rain.
How many days does it rain in May in Hounslow?
In Hounslow, during May, the rain falls for 9.8 days and regularly aggregates up to 9mm (0.35") of precipitation.
When it does not snow in Hounslow?
In Hounslow, snow does not fall in April through November.
What is the average length of the day in May in Hounslow?
The average day length in May is 15h and 38min.
When is the sunrise / sunset in May in Hounslow?
In May, on the first day of the month, sunrise is at 5:32 am and sunset at 8:25 pm. On the last day of the month, in Hounslow, United Kingdom, sunrise is at 4:50 am and sunset at 9:08 pm BST.
How many hours of sunshine does Hounslow have in May?
The average sunshine duration in May in Hounslow, United Kingdom, is 7.5h.
What is the UV index intensity in May in Hounslow?
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Hounslow, United Kingdom
  • Average high temperature in May: 16.8°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in May: 7.9°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).

Average pressure in May
Hounslow, United Kingdom
  • Average pressure in May: 1016.8mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

Average wind speed in May
Hounslow, United Kingdom
  • Average wind speed in May: 13.4km/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 and September (12.7km/h).

Average humidity in May
Hounslow, United Kingdom
  • Average humidity in May: 76%

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 May
Hounslow, United Kingdom
  • Average rainfall in May: 9mm

The wettest month (with the highest rainfall) is June (21mm).
The driest months (with the least rainfall) are January, March, April and May (9mm).

Average rainfall days in May
Hounslow, United Kingdom
  • Average rainfall days in May: 9.8 days

The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in May
Hounslow, United Kingdom
  • Average snowfall in May: 0mm

The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in May
Hounslow, United Kingdom
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Hounslow, United Kingdom
  • Average daylight in May: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in May: 7h and 3min

The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in May
Hounslow, United Kingdom
  • Average sunshine days in May: 16.7 days

The month with the most sunshine days is October (20.2 days).
The months with the least sunshine days are June and July (14.2 days).

Average UV index in May
Hounslow, United Kingdom
  • Average UV index in May: 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 May
Hounslow, United Kingdom
  • Average cloud cover in May: 51

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).

Average visibility in May
Hounslow, United Kingdom
  • Average visibility in May: 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).

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