May weather forecastWilliamsburg, IN

May

Weather in May

The last month of the spring, May, is an agreeable month in Williamsburg, Indiana, with an average temperature fluctuating between 54.5°F (12.5°C) and 70.5°F (21.4°C).

Temperature

May's onset witnesses a shift in the average high-temperature, moving from a refreshing 60.3°F (15.7°C) in April to an agreeable 70.5°F (21.4°C). May nights in Williamsburg are marked by an average low-temperature of 54.5°F (12.5°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

The month with the most rainfall is May, when the rain falls for 20.3 days and typically aggregates up to 3.94" (100mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Williamsburg, the average length of the day in May is 14h and 24min.
On the first day of May, sunrise is at 6:38 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 9:02 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 6 in May transforms into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during May are 70.5°F (21.4°C) and 54.5°F (12.5°C) respectively.

The average relative humidity in May is 80%.

May is the month with the most rainfall. Rain falls for 20.3 days and accumulates 3.94" (100mm) of precipitation.

In Williamsburg, in May, it is raining for 20.3 days, with typically 3.94" (100mm) of accumulated precipitation.

In Williamsburg, snow does not fall in May through September.

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

In Williamsburg, the average day length in May is 14h and 24min.

In May, on the first day of the month, sunrise is at 6:38 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 9:02 pm EDT.

In May, the average sunshine duration is 8.5h.

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

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Williamsburg, IN

  • Average high temperature in May: 70.5°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in May
Williamsburg, IN

  • Average pressure in May: 29.97"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Williamsburg, IN

  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in May
Williamsburg, IN

  • Average humidity in May: 80%

The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (75%).

Average rainfall in May
Williamsburg, IN

  • Average rainfall in May: 3.94"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.97").

Average rainfall days in May
Williamsburg, IN

  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9 days).

Average snowfall in May
Williamsburg, IN

  • Average snowfall in May: 0"

The month with the highest snowfall is December (3.62").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Williamsburg, IN

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Williamsburg, IN

  • Average daylight in May: 14h and 24min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 30min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in May
Williamsburg, IN

  • Average sunshine days in May: 9 days

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in May
Williamsburg, IN

  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Williamsburg, IN

  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Williamsburg, IN

  • Average visibility in May: 6mi

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