May weather forecast and climate
Hawthorne, DC

The last month of the spring, May, is a moderately hot month in Hawthorne, District of Columbia, with average temperature fluctuating between 56.5°F (13.6°C) and 74.3°F (23.5°C).

Temperature

In May, the average high-temperature increases, from a comfortable 64.9°F (18.3°C) in April, to a warm 74.3°F (23.5°C). In Hawthorne, District of Columbia, the average low-temperature is 56.5°F (13.6°C).

Humidity

Months with the highest humidity in Hawthorne are May, October and December, with an average relative humidity of 75%.

Rainfall

In Hawthorne, during May, the rain falls for 17.7 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 154.8 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

In Hawthorne snow does not fall through October.

Daylight

The average length of the day in Hawthorne is 14.3h.

Sunshine

The average sunshine in Hawthorne is 8.6h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Hawthorne?

In May, in Hawthorne, District of Columbia, the average high-temperature is 74.3°F (23.5°C), and the average low-temperature is 56.5°F (13.6°C).

What is the most humid month in Hawthorne?

May, October and December, with an average relative humidity of 75%, are most humid months in Hawthorne.

What is the average humidity in May in Hawthorne?

In Hawthorne, District of Columbia, the average relative humidity in May is 75%.

How much does it rain in Hawthorne in May?

In Hawthorne, in May, during 17.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

Does it snow in Hawthorne in May?

In May, in Hawthorne, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Hawthorne?

May through October are months without snowfall.

What is the average length of the day in May in Hawthorne?

The average length of the day in May is 14.3h.

How long on average sun shines in May in Hawthorne?

The average sunshine in May in Hawthorne, District of Columbia, is 8.6h.

When is the highest UV index in Hawthorne?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May in Hawthorne?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Hawthorne, DC
  • Average high temperature in May: 74.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 56.5°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in May - Hawthorne, DC
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

Average wind speed in May - Hawthorne, DC
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May - Hawthorne, DC
  • Average humidity in May: 75%

Months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

Average rainfall in May - Hawthorne, DC
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in May - Hawthorne, DC
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in May - Hawthorne, DC
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.87").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May - Hawthorne, DC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Hawthorne, DC
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in May - Hawthorne, DC
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

Average UV index in May - Hawthorne, DC
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in May - Hawthorne, DC
  • Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May - Hawthorne, DC
  • Average visibility in May: 5mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).