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Londonderry Weather in May
May in Londonderry averages 19°C (66°F) during the day and 6°C (43°F) at night. Quite a bit of rainfall is typical this month, with around 100 mm (3.9 in) on average. An umbrella is a good idea.
Rainfall in Londonderry in May
Historically, May sees about 14 days of rain, with a monthly average of 100 mm (3.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Londonderry in May
May in Londonderry brings pleasant temperatures, with highs of 19°C (66°F) and nights around 6°C (43°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.For Londonderry itself, September generally stands 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.
Londonderry Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
19°C (66°F)
Chance of Rain
47%
Precipitation
100 mm (3.9 in)
Rainy days
14 days
Londonderry Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Londonderry - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America 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 Londonderry in May
For Londonderry in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Londonderry in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Londonderry 3-Day Forecast
More climate data for Londonderry
See the full Londonderry climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
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