May weather forecast
Webster, WI

Share

Weather in May

The last month of the spring, May, is an enjoyable month in Webster, Wisconsin, with an average temperature fluctuating between 46°F (7.8°C) and 64.8°F (18.2°C).

Temperature

With the onset of May, Webster experiences a distinct temperature rise, with the average high-temperature advancing from April's fresh 50.4°F (10.2°C) to a comfortable 64.8°F (18.2°C). Throughout the month of May, Webster reports a steady low-temperature average of 46°F (7.8°C).

Humidity

The months with the lowest humidity are April and May, with an average relative humidity of 74%.

Rainfall

In Webster, in May, during 14.6 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Webster, during the entire year, the rain falls for 124.6 days and collects up to 21.65" (550mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Webster aggregates 0.47" (12mm) of snow. In Webster, during the entire year, snow falls for 70.6 days and aggregates up to 23.9" (607mm) of snow.

Daylight

In Webster, the average length of the day in May is 14h and 58min.
On the first day of May, sunrise is at 5:55 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:51 pm CDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in May?

In May, the average high-temperature and low-temperature are 64.8°F (18.2°C) and 46°F (7.8°C) respectively.

What are the least humid months?

The months with the lowest humidity are April and May, with an average relative humidity of 74%.

What is the average humidity in May?

The average relative humidity in May is 74%.

How much does it rain in May?

In Webster, during May, the rain falls for 14.6 days and regularly aggregates up to 2.87" (73mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Webster aggregates 0.47" (12mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 58min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:51 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.6h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Webster, WI

Average temperature in May - Webster, WI
  • Average high temperature in May: 64.8°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

Average pressure in May
Webster, WI

Average pressure in May - Webster, WI
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Webster, WI

Average wind speed in May - Webster, WI
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in May
Webster, WI

Average humidity in May - Webster, WI
  • Average humidity in May: 74%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).

Average rainfall in May
Webster, WI

Average rainfall in May - Webster, WI
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Webster, WI

Average rainfall days in May - Webster, WI
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in May
Webster, WI

Average snowfall in May - Webster, WI
  • Average snowfall in May: 0.47"

The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Webster, WI

Average snowfall days in May - Webster, WI
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Webster, WI

Average daylight in May / Average sunshine in May - Webster, WI
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in May
Webster, WI

Average sunshine days in May - Webster, WI
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in May
Webster, WI

Average UV index in May - Webster, WI
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in May
Webster, WI

Average cloud cover in May - Webster, WI
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Webster, WI

Average visibility in May - Webster, WI
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Webster, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location