The best times to visit Grafton for ideal weather are

May 28th to October 7th

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

 

 


Other Grafton Travel Info

Weather in Grafton

Temperature

Average temperatures in Grafton 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 43rd 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 Grafton, 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 83.1°F (28.4°C) with temperatures rarely dropping below 57.6°F (14.2°C) at night.

Grafton Temperatures (Fahrenheit)

Key
High
Average
Low

Grafton 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.

Grafton Perceived Temperature (F)

Key
High
Average
Low

Grafton Perceived Temperature (C)

Key
High
Average
Low

 

Average Grafton 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 18.2 8 -1.4
Feb 18.9 8.7 -0.2
Mar 35.5 25.4 16.7
Apr 53.6 40.9 30.1
May 67.6 54 41.7
Jun 76.8 64.6 53.2
Jul 82.4 69.8 57.8
Aug 80.8 67.4 54.9
Sep 73 58.9 46.9
Oct 57.1 45.1 35.2
Nov 39.1 28.8 20
Dec 20.1 11.5 3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -7.7 -13.3 -18.6
Feb -7.3 -12.9 -17.9
Mar 1.9 -3.7 -8.5
Apr 12 4.9 -1.1
May 19.8 12.2 5.4
Jun 24.9 18.1 11.8
Jul 28 21 14.3
Aug 27.1 19.7 12.7
Sep 22.8 14.9 8.3
Oct 13.9 7.3 1.8
Nov 3.9 -1.8 -6.7
Dec -6.6 -11.4 -16.1

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Grafton are January, February, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early June with an average of 2 days of significant precipitation the week of June 4th.

When can you find snow in Grafton? Weather stations report very large amounts of snow likely to be deepest around January, especially close to early March. The best time to ski (if at all) in Grafton is often around around February 12th when fresh powder is deepest. 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 Grafton.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Grafton (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% 8 0.1
Feb 1% 7.6 0.1
Mar 7% 6.4 0.7
Apr 11% 2.8 1.4
May 25% 0 5.5
Jun 26% 0 4.2
Jul 14% 0 2.9
Aug 14% 0 2.1
Sep 11% 0 1.6
Oct 13% 1.6 2.5
Nov 4% 3.5 0.7
Dec 4% 6.9 0.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 1 20.3 0.3
Feb 1 19.3 0.3
Mar 7 16.3 1.8
Apr 11 7.1 3.6
May 25 0 14
Jun 26 0 10.7
Jul 14 0 7.4
Aug 14 0 5.3
Sep 11 0 4.1
Oct 13 4.1 6.4
Nov 4 8.9 1.8
Dec 4 17.5 1.5

 

Humidity and Wind

Grafton has some very humid months, with other comfortably humid months. The least humid month is April (55.8% relative humidity), and the most humid month is December (72.2%).

Wind in Grafton is usually moderate. The windiest month is May, followed by April and January. May’s average wind speed of around 9.4 knots (10.8 MPH or 17.5 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 mid May where average top sustained speeds reach 17.8 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 9.3 Gentle breeze 16.6 Significant breeze
Feb 8.8 Gentle breeze 15.6 Significant breeze
Mar 9.2 Gentle breeze 16.3 Significant breeze
Apr 9.4 Gentle breeze 16.7 Significant breeze
May 9.4 Gentle breeze 17.3 Significant breeze
Jun 7.9 Gentle breeze 15.7 Significant breeze
Jul 7.3 Gentle breeze 14.3 Significant breeze
Aug 7 Gentle breeze 13.9 Significant breeze
Sep 8.2 Gentle breeze 15.3 Significant breeze
Oct 8.8 Gentle breeze 15.6 Significant breeze
Nov 8.9 Gentle breeze 15.7 Significant breeze
Dec 8.6 Gentle breeze 14.9 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68.6%
Feb 67.4%
Mar 71.1%
Apr 55.8%
May 56.5%
Jun 63.4%
Jul 64.1%
Aug 64.6%
Sep 62%
Oct 63.2%
Nov 68.2%
Dec 72.2%

 

Is it Safe to Travel to Grafton?

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 Grafton, 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 Grafton 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 Grafton Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.5°F (23.1°C) and 20.7°F (-6.3°C) with far warmer temperatures in the later months. Rain is somewhat common with 2 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 8 days of precipitation per month. June – August is the second busiest season for tourism in Grafton, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 75.4°F (24.1°C) and 28.8°F (-1.8°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 Grafton to be enjoyable for warm weather travelers. The average high during this season is between 21.5°F (-5.8°C) and 15.8°F (-9°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.

 

Best Times to Travelthe United States › Grafton, ND, US