May weather forecast
Jamestown, IN

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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.

Frequently asked questions

What are the temperatures in Jamestown in May?

In May, in Jamestown, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 55°F (12.8°C).

What is the average humidity in May?

In Jamestown, the average relative humidity in May is 79%.

How much does it rain in May?

In Jamestown, during May, the rain falls for 20.3 days and regularly aggregates up to 3.82" (97mm) of precipitation.

When it does not snow?

In Jamestown, Indiana, snow does not fall in May through September.

Does it snow in May?

In May, in Jamestown, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Jamestown have in May?

In May, the average day length is 14h and 24min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:45 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 9:08 pm EDT.

How many hours of sunshine does Jamestown have in May?

In Jamestown, the average sunshine duration in May is 8.4h.

What is the UV index intensity in May in Jamestown?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jamestown, IN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in May - Jamestown, IN
  • Average daylight in May: 14h and 2min

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 2min

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 - 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 - 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 - 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 - 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).

Jamestown, Indiana, USA

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