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
In Chatham, stepping into May brings a temperature increase, moving up from April's fresh 10.5°C (50.9°F) to a comfortable 17.6°C (63.7°F). Chatham experiences a mean temperature of 9.3°C (48.7°F) during May nights.Humidity
April, May and October, with an average relative humidity of 76%, are the least humid months.Rainfall
The month with the most rainfall is May, when the rain falls for 16.7 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Chatham. During 0.2 snowfall days, in May, Chatham aggregates 2mm (0.08") of snow. Throughout the year, there are 57.1 snowfall days, and 371mm (14.61") of snow is accumulated.Daylight
In Chatham, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:28 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:58 pm EDT.
Sunshine
In May, the average sunshine in Chatham is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are the temperatures in Chatham in May?
What are the least humid months in Chatham?
What is the average humidity in May in Chatham?
What is the wettest month in Chatham?
How many days does it rain in May in Chatham?
What is the last month it snows in Chatham?
How many hours of daylight does Chatham have in May?
When are sunrise and sunset in May in Chatham?
How many hours of sunshine does Chatham have in May?
What is the UV index reading in May in Chatham?
Average temperature in May
Chatham, Canada
- Average high temperature in May: 17.6°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in May: 9.3°C
The month with the highest average low temperature is July (17.4°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in May
Chatham, Canada
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in May
Chatham, Canada
- Average wind speed in May: 13.7km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in May
Chatham, Canada
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May and October (76%).
Average rainfall in May
Chatham, Canada
- Average rainfall in May: 76mm
The wettest month (with the highest rainfall) is May (76mm).
The driest months (with the least rainfall) are January and February (36mm).
Average rainfall days in May
Chatham, Canada
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Chatham, Canada
- Average snowfall in May: 2mm
The month with the highest snowfall is February (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Chatham, Canada
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Chatham, Canada
- 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 6min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Chatham, Canada
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is January (10.2 days).
Average UV index in May
Chatham, Canada
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Chatham, Canada
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Chatham, Canada
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Chatham, Canada
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