Heathrow Weather in March

March in Heathrow averages 12°C (54°F) during the day and 4°C (39°F) at night. With just 48 mm (1.9 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Heathrow in March

Take advantage of the dry conditions this month, with minimal rain expected, even if it's a cooler time of year. Typically, you can expect about 15 days of rain this month, with 48 mm (1.9 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Heathrow in March

March in Heathrow brings low temperatures, with highs of 12°C (54°F) and nights around 4°C (39°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 4°C (39°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 Heathrow in March

You can expect a moderate amount of sunlight, with approximately 126 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Heathrow in March

March sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

For Heathrow 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.

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 Heathrow's climate page.

Heathrow Temperature in March

Min Temperature 4°C (39°F)  

Max Temperature 12°C (54°F)  

Chance of Rain 51%  

Precipitation 48 mm (1.9 in)  

Rainy days 15 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 126 hours *  

Percentage Sunshine 31% *  

What to Wear in Heathrow in March

The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. 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 Heathrow in March

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

5/10

Outdoor sports

6/10

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 Heathrow's climate page.

More climate data for Heathrow

Temperature Rainfall Sunshine Humidity Wind Speed

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