May weather forecastWestfield, MA
May weather forecast for Westfield, Massachusetts: In Westfield, during the entire year, snow falls for 37.4 days and aggregates up to 21.77" (553mm) of snow. During 0.2 snowfall days, in May, Westfield aggregates 0.24" (6mm) of snow.
May
Weather in May
The weather in May is marked by the city basking in more warmth and sunshine. The snow has completely melted away, and the city gets enveloped in the freshness and beauty of spring. The average high temperature noticeably jumps to 67.6°F (19.8°C), accompanying a spell of fine weather. Park-going and picnicking become habitual, and the city is alive with a variety of outdoor events.Temperature
May sees a rise in the average high-temperature, climbing from a moderate 55.9°F (13.3°C) in April to a still refreshing 67.6°F (19.8°C). An average low-temperature of 47.8°F (8.8°C) is expected during May.Humidity
In May, the average relative humidity in Westfield is 75%.Rainfall
In Westfield, in May, it is raining for 17.4 days, with typically 2.87" (73mm) of accumulated precipitation. In Westfield, during the entire year, the rain falls for 169.1 days and collects up to 32.56" (827mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Westfield aggregates 0.24" (6mm) of snow. In Westfield, during the entire year, snow falls for 37.4 days and aggregates up to 21.77" (553mm) of snow.Daylight
In Westfield, the average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:20 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In Westfield, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Adopt protective measures - It is advised to guard against sun damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westfield, MA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Westfield, MA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Westfield, MA
- Average wind speed in May: 6.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Westfield, MA
- Average humidity in May: 75%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Westfield, MA
- Average rainfall in May: 2.87"
The wettest months (with the highest rainfall) are October and December (3.27").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Westfield, MA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in May
Westfield, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westfield, MA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (9.5 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, MA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Westfield, MA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is January (16.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Westfield, MA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Westfield, MA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Westfield, MA
- Average visibility in May: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
