The weather in May in Grassflat

It's pleasantly warm in May in Grassflat with an average temperature of 21°C. Temperatures this month range from a low of 17°C to a high of 26°C. At night, you can expect temperatures between 6°C and 15°C.

Looking for sun? May isn’t a good month to be in Grassflat. 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 Grassflat, Pennsylvania. 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 31°C in 2018, Grassflat reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 3°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 21°C.

Precipitation and snowfall

In May, there is an average of 109 mm of precipitation, spread over 14 days. Of the total precipitation, about 0,1 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in May for Grassflat

Click on any day in May to get detailed info about the usual weather on that day in Grassflat. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Grassflat New York
Average temperature 21°C 22°C
Max. temperature 26°C 28°C
Min. temperature 6°C -5°C
Total precipitation 109 mm 105 mm
Rainy days 14 days 14 days
Total snowfall 0,1 cm 0 cm
Snowy days 1 day 0 days

Start of May

The month of May starts in Grassflat with mild temps, averaging around 19°C during the day and nights around 9°C.

Mid May

By mid-May, daytime temps rise to around 22°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in Grassflat is around 25°C, while nighttime temps are about 13°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Grassflat for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Grassflat, Pennsylvania. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Grassflat

Temperature in May in Grassflat over the years

Precipitation charts

These charts show the average amount of precipitation in May in Grassflat, Pennsylvania. 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 Grassflat

Total precipitation in May in Grassflat over the years

Daily Snowfall in May in Grassflat

Snowfall in May in Grassflat per year

Daily UV index in May in Grassflat

This chart shows the average daily UV index in May in Grassflat, 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 Grassflat

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Average weather in Grassflat by month

Click on a month below to see detailed weather info for Grassflat. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.