The weather in May in Heathrow
It's hot in May in Heathrow with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 33°C. At night, you can expect temperatures between 18°C and 23°C.
Looking for sun? May isn’t a good month to be in Heathrow. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Heathrow, Florida. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2019, Heathrow reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 22°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 25°C.
Rainfall amount
In May, there is an average of 185 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in May for Heathrow
Click on any day in May to get detailed info about the usual weather on that day in Heathrow. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
Heathrow | New York | |
---|---|---|
Average temperature | 31°C | 22°C |
Max. temperature | 33°C | 28°C |
Min. temperature | 18°C | -5°C |
Total precipitation | 185 mm | 105 mm |
Rainy days | 18 days | 14 days |
Start of May
The month of May starts in Heathrow with hot temps, averaging around 31°C during the day and nights around 20°C.
Mid May
By mid-May, daytime temps stay steady at around 31°C, with nights around 22°C. There’s a high chance of precipitation during this time.
End of May
By the end of May, the average daytime temperature in Heathrow is around 32°C, while nighttime temps are about 23°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable trips to Heathrow
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Heathrow runs from June to November.
Check out the climate of Heathrow for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Heathrow, Florida. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Heathrow
Temperature in May in Heathrow over the years
Precipitation charts
These charts show the average amount of precipitation in May in Heathrow, Florida. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Heathrow
Total precipitation in May in Heathrow over the years
Daily UV index in May in Heathrow
This chart shows the average daily UV index in May in Heathrow, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Heathrow
Have you been to Heathrow in May?
Share your weather experience in May in Heathrow.
Average weather in Heathrow by month
Click on a month below to see detailed weather info for Heathrow. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.