Jamestown
North Dakota, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Jamestown, ND

May, the last month of the spring, in Jamestown, is an agreeable month, with average temperature fluctuating between 43.5°F (6.4°C) and 68.5°F (20.3°C).

Temperature

In Jamestown, the average high-temperature in May increases, from a mild 55.6°F (13.1°C) in April, to a pleasant 68.5°F (20.3°C). In May, in Jamestown, the average low-temperature is 43.5°F (6.4°C).

Rainfall

In May, the rain falls for 10 days. Throughout May, 2.8" (69.9mm) of precipitation is accumulated. In Jamestown, North Dakota, during the entire year, the rain falls for 94 days and collects up to 19.6" (498.5mm) of precipitation.

Snowfall

Months with snowfall in Jamestown are January through May, October through December.

Daylight

The average length of the day in May is 15.1h.

Sunshine

The average sunshine in May is 9h.

UV index

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for average individuals.
The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Jamestown?

In Jamestown, in May, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 43.5°F (6.4°C).

How much does it rain in Jamestown in May?

In Jamestown, during May, the rain falls for 10 days and regularly aggregates up to 2.8" (69.9mm) of precipitation.

What is the last month it snows in Jamestown?

May is the last month it regularly snows in Jamestown. Throughout May, Jamestown aggregates 0.3" (7.6mm) of snow.

How many hours of daylight does Jamestown have in May?

In May, the average length of the day in Jamestown, North Dakota, is 15.1h.

How many hours of sunshine does Jamestown have in May?

In Jamestown, the average sunshine in May is 9h.

What is the UV index intensity in May in Jamestown?

In Jamestown, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in May - Jamestown, ND
  • Average high temperature in May: 68.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.2°F).

  • Average low temperature in May: 43.6°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).

Average rainfall in May - Jamestown, ND
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is June (3.5").
Driest months (with the lowest rainfall) are February and December (0.4").

Average rainfall days in May - Jamestown, ND
  • Average rainfall days in May: 10 days

The month with the highest number of rainy days is June (11 days).
Months with the lowest number of rainy days are October and November (6 days).

Average snowfall in May - Jamestown, ND
  • Average snowfall in May: 0.3"

The month with the highest snowfall is January (9.7").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in May / Average sunshine in May - Jamestown, ND
  • Average daylight in May: 15.1h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.6h).

  • Average sunshine in May: 9h

The month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in May - Jamestown, ND
  • Average UV index in May: 6

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).