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Welwyn Weather in May
Welwyn in May averages 18°C (64°F) during the day and 8°C (46°F) at night. Some rainfall is typical for this time of year.
Rainfall in Welwyn in May
Records from the past 30 years suggest around 14 days of rain, with 60 mm (2.4 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Welwyn in May
Expect highs of 18°C (64°F) in Welwyn in May, with nights dropping to around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Welwyn in May
Enjoy a sunny month with about 209 hours of sunshine, the clear skies make Welwyn even more beautiful.For Welwyn itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Welwyn Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
46%
Precipitation
60 mm (2.4 in)
Rainy days
14 days
Humidity
66% *
Sunshine
209 hours *
Percentage Sunshine
41% *
* Data from: London, the United Kingdom (41 KM, 25 Miles).
Welwyn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Welwyn - and find the best time to visit.
Best Places in the United Kingdom in May
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Welwyn 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Welwyn in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Welwyn 3-Day Forecast
More climate data for Welwyn
Temperature Rainfall Sunshine Humidity
See the full Welwyn climate overview or explore weather in the United Kingdom.
Popular in May
Where to go in May - average daytime high across popular destinations.
London
18°C (64°F) Bath17°C (63°F) Manchester
17°C (63°F) York17°C (63°F) Torquay15°C (59°F) Glasgow15°C (59°F) Edinburgh15°C (59°F) Blackpool14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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