May weather forecast
Glasgow, United Kingdom

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The front building of the University of Glasgow, United Kingdom, with a beautiful flower garden
The front building of the University of Glasgow, United Kingdom, with a beautiful flower garden

Weather in May

The transition into summer becomes apparent in Glasgow during May. There is an upward curve in temperature, creating a more comfortable atmosphere for outdoor activities. The rain still drizzles often, yet lacks the chilling sensation of winter. Water sports and boat rides on the River Clyde become popular pastimes, especially during periods of sunshine. Engaging outdoor festivals and events kick off, attracting locals and tourists alike to partake in the lively city life energized by the favorable weather conditions.

Temperature

Upon the onset of May, Glasgow witnesses an average high-temperature of a still cool 12.9°C (55.2°F), showing a close resemblance to the prior month. During the month of May, the nighttime temperature in Glasgow falls to an average of 5.8°C (42.4°F).

Humidity

April and May, with an average relative humidity of 83%, are the least humid months in Glasgow.

Rainfall

In Glasgow, in May, during 19.6 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Glasgow, during the entire year, the rain falls for 242.3 days and collects up to 788mm (31.02") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day in Glasgow, United Kingdom, is 16h and 19min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:56 pm. On the last day of May, sunrise is at 4:40 am and sunset at 9:49 pm BST.

Sunshine

In May, the average sunshine is 6.6h.

UV index

May through July, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What are May temperatures in Glasgow?

May temperatures in Glasgow, United Kingdom, vary between a high-temperature of 12.9°C (55.2°F) and a low-temperature of 5.8°C (42.4°F).

What is the least humid month in Glasgow?

April and May, with an average relative humidity of 83%, are the least humid months.

What is the average humidity in May in Glasgow?

In Glasgow, the average relative humidity in May is 83%.

How many days does it rain in May in Glasgow?

In Glasgow, during May, the rain falls for 19.6 days and regularly aggregates up to 46mm (1.81") of precipitation.

When it does not snow in Glasgow?

May through October are months without snowfall in Glasgow.

Does it snow in Glasgow in May?

In May, in Glasgow, United Kingdom, it doesn't snow. April is the latest month when it typically snows.

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

In Glasgow, the average day length in May is 16h and 19min.

When are sunrise and sunset in May in Glasgow?

On the first day of May in Glasgow, sunrise is at 5:31 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 4:40 am and sunset at 9:49 pm BST.

How long on average sun shines in May in Glasgow?

In May, the average sunshine duration is 6.6h.

When is the highest UV index in Glasgow?

The months with the highest UV index in Glasgow are May through July, with an average maximum UV index of 4.

How high is the UV index in May in Glasgow?

The average daily maximum UV index in May in Glasgow, United Kingdom, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Glasgow, United Kingdom

Average temperature in May - Glasgow, United Kingdom
  • Average high temperature in May: 12.9°C

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in May: 5.8°C

The month with the highest average low temperature is July (10°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).

Average pressure in May
Glasgow, United Kingdom

Average pressure in May - Glasgow, United Kingdom
  • Average pressure in May: 1015.3mbar

The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).

Average wind speed in May
Glasgow, United Kingdom

Average wind speed in May - Glasgow, United Kingdom
  • Average wind speed in May: 14.4km/h

The windiest month (with the highest average wind speed) is January (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12km/h).

Average humidity in May
Glasgow, United Kingdom

Average humidity in May - Glasgow, United Kingdom
  • Average humidity in May: 83%

The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are April and May (83%).

Average rainfall in May
Glasgow, United Kingdom

Average rainfall in May - Glasgow, United Kingdom
  • Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is December (88mm).
The driest month (with the least rainfall) is April (37mm).

Average rainfall days in May
Glasgow, United Kingdom

Average rainfall days in May - Glasgow, United Kingdom
  • Average rainfall days in May: 19.6 days

The months with the highest number of rainy days are July and August (23 days).
The month with the least rainy days is February (17.3 days).

Average snowfall in May
Glasgow, United Kingdom

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

The month with the highest snowfall is February (49mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May
Glasgow, United Kingdom

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

The month with the highest number of snowfall days is February (3.9 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
Glasgow, United Kingdom

Average daylight in May / Average sunshine in May - Glasgow, United Kingdom
  • Average daylight in May: 16h and 2min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in May: 6h and 4min

The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in May
Glasgow, United Kingdom

Average sunshine days in May - Glasgow, United Kingdom
  • Average sunshine days in May: 8.4 days

The month with the most sunshine days is March (9.4 days).
The month with the least sunshine days is July (5.3 days).

Average UV index in May
Glasgow, United Kingdom

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

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

Average cloud cover in May
Glasgow, United Kingdom

Average cloud cover in May - Glasgow, United Kingdom
  • Average cloud cover in May: 58

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).

Average visibility in May
Glasgow, United Kingdom

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

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

Glasgow, United Kingdom

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