The best times to visit Fort Sumner for ideal weather are
March 26th to June 10th
or
September 3rd to October 21st
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Fort Sumner Travel Guide
Other Fort Sumner Travel Info
Weather in Fort Sumner
Temperature
Average temperatures in Fort Sumner vary drastically. Considering humidity, temperatures feel nice between summer and winter. The temperatures feel cold for about half the year, and too hot for part of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 42nd 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 Fort Sumner, the hottest months are June, July, and then August. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 96.9°F (36.1°C) with temperatures rarely dropping below 68.7°F (20.4°C) at night.
Fort Sumner Temperatures (Fahrenheit)
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Fort Sumner Temperatures (Celsius)
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“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.
Fort Sumner Perceived Temperature (F)
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Fort Sumner Perceived Temperature (C)
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Average Fort Sumner 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 | 53.7 | 38.8 | 26.6 |
| Feb | 57.9 | 41.8 | 29.5 |
| Mar | 68.7 | 52.5 | 38.2 |
| Apr | 77.6 | 59.7 | 43.4 |
| May | 82.2 | 66.8 | 51.9 |
| Jun | 94 | 78.5 | 63.6 |
| Jul | 91.9 | 78.3 | 66.1 |
| Aug | 92.5 | 78.2 | 64.6 |
| Sep | 84.7 | 70.8 | 59.3 |
| Oct | 75 | 59.9 | 46.7 |
| Nov | 62.7 | 47.4 | 34.8 |
| Dec | 54.5 | 39.8 | 28.6 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 12.1 | 3.8 | -3 |
| Feb | 14.4 | 5.4 | -1.4 |
| Mar | 20.4 | 11.4 | 3.4 |
| Apr | 25.3 | 15.4 | 6.3 |
| May | 27.9 | 19.3 | 11.1 |
| Jun | 34.4 | 25.8 | 17.6 |
| Jul | 33.3 | 25.7 | 18.9 |
| Aug | 33.6 | 25.7 | 18.1 |
| Sep | 29.3 | 21.6 | 15.2 |
| Oct | 23.9 | 15.5 | 8.2 |
| Nov | 17.1 | 8.6 | 1.6 |
| Dec | 12.5 | 4.3 | -1.9 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Fort Sumner are April, February, and then March. 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 to mid May with an average of 2 days of significant precipitation the week of May 7th.
When can you find snow in Fort Sumner? 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 Fort Sumner.
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Snow on the Ground
The graph below shows the average snow on the ground in Fort Sumner (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 4% | 0 | 0.4 |
| Feb | 3% | 0 | 0.2 |
| Mar | 3% | 0 | 0.3 |
| Apr | 2% | 0 | 0.2 |
| May | 14% | 0 | 1.8 |
| Jun | 10% | 0 | 1.8 |
| Jul | 21% | 0 | 3.5 |
| Aug | 13% | 0 | 2.1 |
| Sep | 7% | 0 | 1.6 |
| Oct | 12% | 0 | 2.3 |
| Nov | 5% | 0 | 0.3 |
| Dec | 4% | 0 | 0.3 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 4 | 0 | 1 |
| Feb | 3 | 0 | 0.5 |
| Mar | 3 | 0 | 0.8 |
| Apr | 2 | 0 | 0.5 |
| May | 14 | 0 | 4.6 |
| Jun | 10 | 0 | 4.6 |
| Jul | 21 | 0 | 8.9 |
| Aug | 13 | 0 | 5.3 |
| Sep | 7 | 0 | 4.1 |
| Oct | 12 | 0 | 5.8 |
| Nov | 5 | 0 | 0.8 |
| Dec | 4 | 0 | 0.8 |
Humidity and Wind
Fort Sumner has some comfortably humid months, with some very dry months. The least humid month is April (19.6% relative humidity), and the most humid month is September (44.2%).
Wind in Fort Sumner is usually moderate. The windiest month is April, followed by June and May. April’s average wind speed of around 12.3 knots (14.2 MPH or 22.8 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late April where average top sustained speeds reach 23.2 knots, which is considered a strong breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Fort Sumner.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 10.7 | Gentle breeze | 17.9 | Strong breeze |
| Feb | 11.3 | Significant breeze | 19.2 | Strong breeze |
| Mar | 11.3 | Significant breeze | 19.5 | Strong breeze |
| Apr | 12.3 | Significant breeze | 22 | Very strong breeze |
| May | 11.4 | Significant breeze | 19.7 | Strong breeze |
| Jun | 11.9 | Significant breeze | 20.9 | Strong breeze |
| Jul | 9.6 | Gentle breeze | 17.8 | Strong breeze |
| Aug | 8.4 | Gentle breeze | 16 | Significant breeze |
| Sep | 8.8 | Gentle breeze | 16.3 | Strong breeze |
| Oct | 9.8 | Gentle breeze | 16.8 | Significant breeze |
| Nov | 10.7 | Gentle breeze | 18.3 | Strong breeze |
| Dec | 11 | Significant breeze | 18.6 | Strong breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 35.8% |
| Feb | 35.3% |
| Mar | 24.5% |
| Apr | 19.6% |
| May | 25.6% |
| Jun | 28.7% |
| Jul | 38% |
| Aug | 35.8% |
| Sep | 44.2% |
| Oct | 37.2% |
| Nov | 35.3% |
| Dec | 42% |
Is it Safe to Travel to Fort Sumner?
Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Fort Sumner, NM, US is July, followed by March and June. 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 Fort Sumner in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Fort Sumner Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 90.9°F (32.7°C) and 59.8°F (15.4°C) with warmer temperatures in the later months. Rain is rare with 1 to 4 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 quite warm. These months see the most precipitation with 3 to 7 days of precipitation per month. June – August is the second busiest season for tourism in Fort Sumner, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 87.6°F (30.9°C) and 58.4°F (14.7°C), which will feel comfortable 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 too cold this time of year in Fort Sumner to be enjoyable for warm weather travelers. The average high during this season is between 60.7°F (15.9°C) and 48.1°F (8.9°C). On average, it rains or snows a smalll amount: consistently 1 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› the United States › Fort Sumner, NM, US