Harpenden Weather in May

May in Harpenden brings moderate temperatures, with daytime highs of 18°C (64°F) and nights around 8°C (46°F). Quite a bit of rainfall is expected, around 61 mm (2.4 in), so pack an umbrella.

Rainfall in Harpenden in May

Typically, about 14 days will experience rainfall, with an average of 61 mm (2.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Harpenden in May

Temperatures in Harpenden in May top out at 18°C (64°F) and drop to 8°C (46°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Harpenden in May

The month brings about 185 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer 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.

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

Harpenden Temperature in May

Min Temperature 8°C (46°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 47%  

Precipitation 61 mm (2.4 in)  

Rainy days 14 days  

Sunshine 185 hours *  

Percentage Sunshine *  

* Data from: Milton Keynes, the United Kingdom (36 KM, 22 Miles).

What to Wear in Harpenden in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Harpenden in May

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

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

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 Harpenden's climate page.

More climate data for Harpenden

Temperature Rainfall Sunshine

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