May weather forecast
Wellington, United Kingdom

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Weather in May

May, the last month of the spring in Wellington, is a mild month, with an average temperature varying between 6.9°C (44.4°F) and 15.3°C (59.5°F).

Temperature

The transition from April to May sees an average high-temperature of a moderate 15.3°C (59.5°F), indicating a minor variance from the prior month. Nighttime temperature experiences an average drop to a frosty 6.9°C (44.4°F) in May.

Humidity

In Wellington, United Kingdom, the average relative humidity in May is 84%.

Rainfall

May and September are months with the least rain in Wellington when the rain falls for 14 days and typically aggregates up to 22mm (0.87") of rain.

Snowfall

April through October are months without snowfall in Wellington, United Kingdom.

Daylight

In Wellington, United Kingdom, the average length of the day in May is 15h and 34min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of May, in Wellington, sunrise is at 5:04 am and sunset at 9:17 pm BST.

Sunshine

The average sunshine in May in Wellington is 7.3h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Feb 8, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are May temperatures in Wellington?

The average high-temperature, in May, in Wellington, is 15.3°C (59.5°F), while the average low-temperature is 6.9°C (44.4°F).

What is the average humidity in May in Wellington?

In May, the average relative humidity in Wellington, United Kingdom, is 84%.

What is the driest month in Wellington?

May and September are months with the least rain in Wellington when the rain falls for 14 days and typically aggregates up to 22mm (0.87") of rain.

How many days does it rain in May in Wellington?

In Wellington, in May, during 14 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

When it does not snow in Wellington?

In Wellington, United Kingdom, snow does not fall in April through October.

What is the average length of the day in May in Wellington?

The average day length in May in Wellington is 15h and 34min.

What time are sunrise and sunset in May in Wellington?

On the first day of May, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 9:17 pm BST.

How many hours of sunshine does Wellington have in May?

In May, the average sunshine duration is 7.3h.

What is the month with the highest UV index in Wellington?

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

How high is the UV index in May in Wellington?

In Wellington, United Kingdom, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Wellington, United Kingdom

Average temperature in May - Wellington, United Kingdom
  • Average high temperature in May: 15.3°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (7.4°C).

  • Average low temperature in May: 6.9°C

The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).

Average pressure in May
Wellington, United Kingdom

Average pressure in May - Wellington, United Kingdom
  • Average pressure in May: 1016.9mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).

Average wind speed in May
Wellington, United Kingdom

Average wind speed in May - Wellington, United Kingdom
  • Average wind speed in May: 13.7km/h

The windiest month (with the highest average wind speed) is February (18.8km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

Average humidity in May
Wellington, United Kingdom

Average humidity in May - Wellington, United Kingdom
  • Average humidity in May: 84%

The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (83%).

Average rainfall in May
Wellington, United Kingdom

Average rainfall in May - Wellington, United Kingdom
  • Average rainfall in May: 22mm

The wettest month (with the highest rainfall) is December (52mm).
The driest months (with the least rainfall) are May and September (22mm).

Average rainfall days in May
Wellington, United Kingdom

Average rainfall days in May - Wellington, United Kingdom
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is November (16.8 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in May
Wellington, United Kingdom

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

The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in May
Wellington, United Kingdom

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

The month with the highest number of snowfall days is January (1.7 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
Wellington, United Kingdom

Average daylight in May / Average sunshine in May - Wellington, 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: 8h and 0min).

  • Average sunshine in May: 7h and 2min

The month with the most sunshine is July (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).

Average sunshine days in May
Wellington, United Kingdom

Average sunshine days in May - Wellington, United Kingdom
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (9.9 days).

Average UV index in May
Wellington, United Kingdom

Average UV index in May - Wellington, 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, March, November and December (UV index 2).

Average cloud cover in May
Wellington, United Kingdom

Average cloud cover in May - Wellington, United Kingdom
  • Average cloud cover in May: 53

The month with the most cloud cover is November (Cloud cover 65).
The months with the least cloud cover are April and May (Cloud cover 53).

Average visibility in May
Wellington, United Kingdom

Average visibility in May - Wellington, United Kingdom
  • Average visibility in May: 8km

The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (8km).

Wellington, United Kingdom

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