May weather forecastWestfield, IN
May
Weather in May
As Westfield transitions to late spring, May brings with it warmer temperatures. Weather conditions take a decisive turn, with consistent rainfall of 1.85" (47mm), making it the month with the third-highest rainfall. Meanwhile, the level of sunshine increases substantially, giving locals more time to enjoy the outdoors. The increasing warmth coupled with the inherent vibrancy of spring offers a prelude to the forthcoming summer. As May's weather proceeds, the anticipation of June's summer warmth becomes prevalent.Temperature
In Westfield, the onset of May comes with an increased average high-temperature, moving from April's comfortable 60.8°F (16°C) to a pleasant 71.6°F (22°C). Throughout May, Westfield's nights cool down to an average of 55.2°F (12.9°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Westfield, during May, the rain falls for 16.8 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Westfield, during the entire year, the rain falls for 128.2 days and collects up to 14.61" (371mm) of precipitation.Snowfall
In Westfield, snow does not fall in May through September.Daylight
In Westfield, the average length of the day in May is 14h and 25min.On the first day of May, sunrise is at 6:43 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 9:07 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Take precautions - Protection against sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westfield, IN
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Westfield, 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
Westfield, IN
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Westfield, IN
- Average humidity in May: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Westfield, IN
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in May
Westfield, IN
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Westfield, IN
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Westfield, IN
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (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
Westfield, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Westfield, IN
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in May
Westfield, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Westfield, IN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Westfield, IN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





