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 sea temperature 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
May
Weather in May
Temperature
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a chilly 6.8°C (44.2°F) to a cool 11.7°C (53.1°F). During the May nights, an average temperature of 6.1°C (43°F) is observed in Dartmouth.Humidity
In May, the average relative humidity in Dartmouth is 82%.Rainfall
In May, the rain falls for 14.7 days. Throughout May, 55mm (2.17") of precipitation is accumulated. In Dartmouth, Canada, during the entire year, the rain falls for 148.3 days and collects up to 861mm (33.9") of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Dartmouth aggregates 1mm (0.04") of snow. In Dartmouth, during the entire year, snow falls for 43.7 days and aggregates up to 461mm (18.15") of snow.Sea temperature
In May, the average sea temperature in Dartmouth is 5.3°C (41.5°F).Note: In 5.3°C (41.5°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.
Daylight
In May, the average length of the day in Dartmouth is 14h and 50min.On the first day of May in Dartmouth, sunrise is at 6:03 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:52 pm ADT.
Sunshine
In May, the average sunshine is 7.3h.UV index
In May, the average daily maximum UV index in Dartmouth is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Dartmouth?
What is the average humidity in May in Dartmouth?
How much does it rain in Dartmouth in May?
What is the last month it snows in Dartmouth?
What is the sea water temperature in May in Dartmouth?
How many hours of daylight does Dartmouth have in May?
When are sunrise and sunset in May in Dartmouth?
How long on average sun shines in May in Dartmouth?
What is the UV index reading in May in Dartmouth?
Average temperature in May
Dartmouth, Canada
- Average high temperature in May: 11.7°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).
- Average low temperature in May: 6.1°C
The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in May
Dartmouth, Canada
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in May
Dartmouth, Canada
- Average wind speed in May: 15.6km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in May
Dartmouth, Canada
- Average humidity in May: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall in May
Dartmouth, Canada
- Average rainfall in May: 55mm
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days in May
Dartmouth, Canada
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Dartmouth, Canada
- Average snowfall in May: 1mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Dartmouth, Canada
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Dartmouth, Canada
- Average sea temperature in May: 5.3°C
The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).
Average daylight in May /
Average sunshine in May
Dartmouth, Canada
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Dartmouth, Canada
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in May
Dartmouth, Canada
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Dartmouth, Canada
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Dartmouth, Canada
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
