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
Grimsby's May weather shows an increase in high-temperatures, moving from April's fresh 10°C (50°F) to an enjoyable 17.2°C (63°F). Grimsby experiences a steady low-temperature of 8.8°C (47.8°F) throughout May.Humidity
In May, the average relative humidity in Grimsby is 76%.Rainfall
In Grimsby, in May, it is raining for 18.3 days, with typically 69mm (2.72") of accumulated precipitation. In Grimsby, during the entire year, the rain falls for 175.2 days and collects up to 711mm (27.99") of precipitation.Snowfall
January through May, November and December are months with snowfall in Grimsby. May is the last month it regularly snows. During 0.3 snowfall days, in May, Grimsby aggregates 2mm (0.08") of snow. In Grimsby, Canada, during the entire year, snow falls for 58.6 days and aggregates up to 463mm (18.23") of snow.Daylight
In Grimsby, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:20 pm. On the last day of May, in Grimsby, sunrise is at 5:41 am and sunset at 8:50 pm EDT.
Sunshine
The average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the temperature in May in Grimsby?
What is the average humidity in May in Grimsby?
How many days does it rain in May in Grimsby?
What is the last month it snows in Grimsby?
What is the average length of the day in May in Grimsby?
When are sunrise and sunset in May in Grimsby?
How many hours of sunshine does Grimsby have in May?
What is the UV index intensity in May in Grimsby?
Average temperature in May
Grimsby, Canada
- Average high temperature in May: 17.2°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 (-2.3°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in May
Grimsby, Canada
- Average pressure in May: 1015.4mbar
The months with the highest atmospheric pressure are March and November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in May
Grimsby, Canada
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is January (19km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in May
Grimsby, Canada
- Average humidity in May: 76%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Grimsby, Canada
- Average rainfall in May: 69mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in May
Grimsby, Canada
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in May
Grimsby, Canada
- Average snowfall in May: 2mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Grimsby, Canada
- Average snowfall days in May: 0.3 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
Grimsby, Canada
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Grimsby, Canada
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in May
Grimsby, 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
Grimsby, Canada
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Grimsby, Canada
- Average visibility in May: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
Grimsby, Canada
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