May weather forecast
Bristol, United Kingdom

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A beautiful lawn in front of the Bristol Cathedral, in Bristol, United Kingdom
A beautiful lawn in front of the Bristol Cathedral, in Bristol, United Kingdom

Weather in May

May brings forth a significant rise in temperature, making Bristol delightfully warm. By this time, sunlight hours increase to 15.6 hours daily, further brightening the city. Frequent rain showers with an average rainfall of 13mm (0.51") do not dampen the arrival of summer. The city witnesses the bloom of vibrant flowers under primarily blue skies. The wind speed slightly reduces, making the climate more pleasurably calm and soothing.

Temperature

May's weather in Bristol records an average high-temperature of a refreshing 15.5°C (59.9°F), showing little deviation from April. In May, Bristol experiences an average nighttime temperature of 7.4°C (45.3°F).

Humidity

In May, the average relative humidity is 82%.

Rainfall

In May, in Bristol, the rain falls for 10.3 days. Throughout May, 13mm (0.51") of precipitation is accumulated. In Bristol, during the entire year, the rain falls for 123.4 days and collects up to 188mm (7.4") of precipitation.

Snowfall

In Bristol, snow does not fall in April through November.

Daylight

The average length of the day in May in Bristol, United Kingdom, is 15h and 38min.
On the first day of May in Bristol, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 9:17 pm BST.

Sunshine

In May, the average sunshine is 7.5h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during May translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are May temperatures in Bristol?

The high-temperature, in May, in Bristol, is 15.5°C (59.9°F), while the low-temperature averages to 7.4°C (45.3°F).

What is the average humidity in May in Bristol?

In Bristol, United Kingdom, the average relative humidity in May is 82%.

How many days does it rain in May in Bristol?

In Bristol, United Kingdom, during May, the rain falls for 10.3 days and regularly aggregates up to 13mm (0.51") of precipitation.

When it does not snow in Bristol?

In Bristol, snow does not fall in April through November.

How many hours of daylight does Bristol have in May?

In May, the average day length in Bristol is 15h and 38min.

What time are sunrise and sunset in May in Bristol?

In May, on the first day of the month, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 9:17 pm BST.

How long on average sun shines in May in Bristol?

In May, the average sunshine duration is 7.5h.

What are the months with the highest UV index in Bristol?

May through September, with an average maximum UV index of 4, are months with the highest UV index.

What is the UV index intensity in May in Bristol?

In May, the average daily maximum UV index in Bristol is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
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
Bristol, United Kingdom

Average temperature in May - Bristol, United Kingdom
  • Average high temperature in May: 15.5°C

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (7.2°C).

  • Average low temperature in May: 7.4°C

The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).

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Average pressure in May
Bristol, United Kingdom

Average pressure in May - Bristol, United Kingdom
  • Average pressure in May: 1016.7mbar

The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

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Average wind speed in May
Bristol, United Kingdom

Average wind speed in May - Bristol, United Kingdom
  • Average wind speed in May: 14km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).

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Average humidity in May
Bristol, United Kingdom

Average humidity in May - Bristol, United Kingdom
  • Average humidity in May: 82%

The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is July (81%).

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Average rainfall in May
Bristol, United Kingdom

Average rainfall in May - Bristol, United Kingdom
  • Average rainfall in May: 13mm

The wettest month (with the highest rainfall) is November (22mm).
The driest months (with the least rainfall) are January, April and September (12mm).

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Average rainfall days in May
Bristol, United Kingdom

Average rainfall days in May - Bristol, United Kingdom
  • Average rainfall days in May: 10.3 days

The months with the highest number of rainy days are July and August (12.1 days).
The month with the least rainy days is October (8.2 days).

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Average snowfall in May
Bristol, United Kingdom

Average snowfall in May - Bristol, United Kingdom
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in May
Bristol, United Kingdom

Average snowfall days in May - Bristol, United Kingdom
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Bristol, United Kingdom

Average daylight in May / Average sunshine in May - Bristol, 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 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 48min).

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Average sunshine days in May
Bristol, United Kingdom

Average sunshine days in May - Bristol, United Kingdom
  • Average sunshine days in May: 15 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.7 days).

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Average UV index in May
Bristol, United Kingdom

Average UV index in May - Bristol, United Kingdom
  • Average UV index in May: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Bristol, United Kingdom

Average cloud cover in May - Bristol, United Kingdom
  • Average cloud cover in May: 51

The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 51).

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Average visibility in May
Bristol, United Kingdom

Average visibility in May - Bristol, United Kingdom
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Bristol, United Kingdom

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