May weather forecastJamestown, IN
May
Weather in May
May, the last month of the spring in Jamestown, is an agreeable month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 55°F (12.8°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's moderate 60.4°F (15.8°C) to an agreeable 71.4°F (21.9°C). During the month of May, Jamestown anticipates a mean low-temperature of 55°F (12.8°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Jamestown, in May, during 20.3 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, there are 164.1 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 24min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:41 pm. On the last day of May, in Jamestown, sunrise is at 6:19 am and sunset at 9:08 pm EDT.
Sunshine
The average sunshine in May is 8.4h.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 unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jamestown, IN
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Jamestown, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Jamestown, IN
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Jamestown, IN
- Average humidity in May: 79%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Jamestown, IN
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is April (3.86").
The driest months (with the least rainfall) are February and November (1.85").
Average rainfall days in May
Jamestown, IN
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in May
Jamestown, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Jamestown, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jamestown, IN
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Jamestown, IN
- Average sunshine days in May: 9.4 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in May
Jamestown, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Jamestown, IN
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Jamestown, IN
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
