Slough Weather in May

During May, Slough experiences moderate daytime temperatures of 18°C (64°F) and cooler nights around 8°C (46°F). Some rainfall is typical during this period.

Rainfall in Slough in May

Historically, the month has about 14 days of rain, averaging 59 mm (2.3 in) in total. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Slough in May

May in Slough sees highs of 18°C (64°F) and lows of 8°C (46°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Slough in May

With approximately 209 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Slough in May

Average wind speeds reach 3 m/s (6 knots) in May, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Slough.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Slough's climate page.

Slough Temperature in May

Min Temperature 8°C (46°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 48%  

Precipitation 59 mm (2.3 in)  

Rainy days 14 days  

Humidity 66% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 209 hours *  

Percentage Sunshine 41% *  

* Data from: London, the United Kingdom (10 KM, 6 Miles).

What to Wear in Slough in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Slough in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Slough's climate page.

More climate data for Slough

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Slough climate overview or explore weather in the United Kingdom.