Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
West Harwich observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's frosty 47.1°F (8.4°C) to a fresh 55°F (12.8°C). West Harwich's evenings during May maintain an average temperature of 51.3°F (10.7°C), aligning closely with the daytime temperatures.Humidity
In West Harwich, the average relative humidity in May is 83%.Rainfall
In West Harwich, in May, during 12.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In West Harwich, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.Snowfall
May through November are months without snowfall.Daylight
The average length of the day in May is 14h and 33min.On the first day of May, sunrise is at 5:35 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:08 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index in West Harwich is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Take precautions - Protection against sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in West Harwich?
What is the average humidity in May in West Harwich?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does West Harwich have in May?
When are sunrise and sunset in May?
How many hours of sunshine does West Harwich have in May?
What is the UV index reading in May?
Average temperature in May
West Harwich, MA
- Average high temperature in May: 55°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
West Harwich, MA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
West Harwich, MA
- Average wind speed in May: 12.5mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in May
West Harwich, MA
- Average humidity in May: 83%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
West Harwich, MA
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in May
West Harwich, MA
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
West Harwich, MA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in May
West Harwich, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
West Harwich, MA
- Average daylight in May: 14h and 4min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
West Harwich, MA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in May
West Harwich, MA
- Average UV index in May: 4
The months with the highest UV index are July and August (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
West Harwich, MA
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
West Harwich, MA
- 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).
West Harwich, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location