The best times to visit Jamestown for ideal weather are

May 21st to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Jamestown Travel Info

Weather in Jamestown

Temperature

Average temperatures in Jamestown vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 40th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Jamestown, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 84.2°F (29°C) with temperatures rarely dropping below 59.2°F (15.1°C) at night.

Jamestown Temperatures (Fahrenheit)

Key
High
Average
Low

Jamestown Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Jamestown Perceived Temperature (F)

Key
High
Average
Low

Jamestown Perceived Temperature (C)

Key
High
Average
Low

 

Average Jamestown Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 21.1 10.6 1
Feb 21 10.7 1.6
Mar 37.9 26.6 17.4
Apr 54 41.1 30
May 67.9 54.5 42.7
Jun 77.5 65 54
Jul 83.1 70.5 58.8
Aug 81 67.6 55.6
Sep 73.9 59.1 47.1
Oct 56.9 45.1 35.7
Nov 40.8 29.5 20.4
Dec 22.3 13.4 4.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -6.1 -11.9 -17.2
Feb -6.1 -11.8 -16.9
Mar 3.3 -3 -8.1
Apr 12.2 5.1 -1.1
May 19.9 12.5 5.9
Jun 25.3 18.3 12.2
Jul 28.4 21.4 14.9
Aug 27.2 19.8 13.1
Sep 23.3 15.1 8.4
Oct 13.8 7.3 2.1
Nov 4.9 -1.4 -6.4
Dec -5.4 -10.3 -15.2

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Jamestown are January, November, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid June with an average of 2 days of significant precipitation the week of June 11th.

When can you find snow in Jamestown? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Jamestown.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Jamestown (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 1% 0 0.2
Feb 2% 0 0.3
Mar 8% 0 0.8
Apr 13% 0 1.2
May 25% 0 4.1
Jun 24% 0 4.1
Jul 18% 0 2.5
Aug 14% 0 1.9
Sep 14% 0 2.1
Oct 14% 0 2
Nov 2% 0 0.4
Dec 3% 0 0.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 1 0 0.5
Feb 2 0 0.8
Mar 8 0 2
Apr 13 0 3
May 25 0 10.4
Jun 24 0 10.4
Jul 18 0 6.4
Aug 14 0 4.8
Sep 14 0 5.3
Oct 14 0 5.1
Nov 2 0 1
Dec 3 0 0.8

 

Humidity and Wind

Jamestown has some very humid months, with other comfortably humid months. The least humid month is May (53.7% relative humidity), and the most humid month is December (71.2%).

Wind in Jamestown is usually moderate. The windiest month is April, followed by May and January. April’s average wind speed of around 10.6 knots (12.3 MPH or 19.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January where average top sustained speeds reach 19.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Jamestown.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 10.5 Gentle breeze 18.5 Strong breeze
Feb 9.6 Gentle breeze 17 Strong breeze
Mar 10 Gentle breeze 17.5 Strong breeze
Apr 10.6 Gentle breeze 18.5 Strong breeze
May 10.6 Gentle breeze 18.9 Strong breeze
Jun 8.7 Gentle breeze 16.6 Significant breeze
Jul 7.6 Gentle breeze 14.7 Strong breeze
Aug 6.9 Light breeze 13.9 Significant breeze
Sep 8.2 Gentle breeze 15.5 Strong breeze
Oct 9.4 Gentle breeze 16.9 Significant breeze
Nov 9.7 Gentle breeze 17 Strong breeze
Dec 9.4 Gentle breeze 16.4 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68%
Feb 67.7%
Mar 68.2%
Apr 54%
May 53.7%
Jun 59.2%
Jul 60.3%
Aug 62.6%
Sep 58.8%
Oct 60.4%
Nov 64.4%
Dec 71.2%

 

Is it Safe to Travel to Jamestown?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Jamestown, ND, US is August, followed by March and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Jamestown in June. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 55.6 in June means 55.6% of the tourists vs. August.

 

 

Overall Jamestown Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.1°F (22.8°C) and 21.4°F (-5.9°C) with far warmer temperatures in the later months. Rain is somewhat common with 3 to 8 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 4 to 7 days of precipitation per month. June – August is the second busiest season for tourism in Jamestown, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 76.2°F (24.6°C) and 30.7°F (-0.7°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 1 to 4 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Jamestown to be enjoyable for warm weather travelers. The average high during this season is between 24°F (-4.4°C) and 18.4°F (-7.6°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are fairly slow with tourists.

 

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