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
May marks a rise in the average high-temperature, moving from April's fresh 52.5°F (11.4°C) to a refreshing 66.4°F (19.1°C). Johnstown witnesses an average low-temperature of 45.5°F (7.5°C) throughout the month of May.Humidity
April and May, with an average relative humidity of 76%, are the least humid months.Rainfall
The month with the most rainfall in Johnstown, New York, is May, when the rain falls for 17.2 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Johnstown, New York. May is the last month it regularly snows. During 0.4 snowfall days, in May, Johnstown aggregates 0.16" (4mm) of snow. Throughout the year, there are 72.7 snowfall days, and 43.46" (1104mm) of snow is accumulated.Daylight
In Johnstown, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 5:50 am and sunset at 7:58 pm. On the last day of May, in Johnstown, New York, sunrise is at 5:21 am and sunset at 8:29 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Johnstown in May?
What are the least humid months in Johnstown?
What is the average humidity in May in Johnstown?
What is the wettest month in Johnstown?
How many days does it rain in May in Johnstown?
What is the last month it snows in Johnstown?
What is the average length of the day in May in Johnstown?
When are sunrise and sunset in May in Johnstown?
How long on average sun shines in May in Johnstown?
When is the highest UV index in Johnstown?
What is the UV index reading in May in Johnstown?
Average temperature in May
Johnstown, NY
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 45.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Johnstown, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Johnstown, NY
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).
Average humidity in May
Johnstown, NY
- Average humidity in May: 76%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in May
Johnstown, NY
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Johnstown, NY
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in May
Johnstown, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (11.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Johnstown, NY
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Johnstown, NY
- 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 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in May
Johnstown, NY
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in May
Johnstown, NY
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Johnstown, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Johnstown, NY
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is February (4mi).
Johnstown, New York, USA
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