The best times to visit Alamosa for ideal weather are
May 28th to September 16th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Alamosa Travel Guide
Other Alamosa Travel Info
Weather in Alamosa
Average temperatures in Alamosa vary an incredible amount. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout 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 Alamosa, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 86.5°F (30.3°C) with temperatures rarely dropping below 43.6°F (6.4°C) at night.
Alamosa Temperatures (Fahrenheit)
Alamosa Temperatures (Celsius)
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.
Alamosa Perceived Temperature (F)
Alamosa Perceived Temperature (C)
Average Alamosa 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Alamosa are January, June, 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 mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 1 days of significant precipitation the week of September 10th.
When can you find snow in Alamosa? Weather stations report large amounts of snow likely to be deepest around November, especially close to late November to early December. The best time to ski (if at all) in Alamosa is often around around November 19th 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 Alamosa.
Snow on the Ground
The graph below shows the average snow on the ground in Alamosa (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Alamosa has some comfortably humid months, and dry months in the opposite season. The least humid month is June (23.6% relative humidity), and the most humid month is December (55.2%).
Wind in Alamosa is usually calm. The windiest month is April, followed by May and June. April’s average wind speed of around 9.1 knots (10.4 MPH or 16.8 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 early April where average top sustained speeds reach 22.8 knots, which is considered a strong breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Alamosa.
The graph below shows wind speed (max and average) in knots.
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||4.1||Light breeze||10.7||Gentle breeze|
|Feb||5.5||Light breeze||14.1||Significant breeze|
|Mar||7.3||Gentle breeze||18.5||Gentle breeze|
|Apr||9.1||Gentle breeze||21.8||Strong breeze|
|May||8.5||Gentle breeze||20.7||Gentle breeze|
|Jun||7.6||Gentle breeze||20.1||Strong breeze|
|Jul||5.7||Light breeze||17.8||Gentle breeze|
|Aug||5.3||Light breeze||16.3||Significant breeze|
|Sep||5.3||Light breeze||15.2||Gentle breeze|
|Oct||5.6||Light breeze||14.8||Significant breeze|
|Nov||4.9||Light breeze||12.5||Gentle breeze|
|Dec||4.8||Light breeze||12.1||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Alamosa?
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 Alamosa, CO, US is August, followed by April and July. 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 Alamosa 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
Overall Alamosa Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 78.3°F (25.7°C) and 46.5°F (8.1°C) with warmer temperatures in the later months. Rain is rare with roughly 2 days of significant precipitation per month. Spring is the second 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 comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 1 to 3 days of precipitation per month. June – August is the busiest season for tourism in Alamosa, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 80.6°F (27°C) and 43.8°F (6.6°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 2 to 3 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 Alamosa to be enjoyable for warm weather travelers. The average high during this season is between 46.5°F (8.1°C) and 30.3°F (-0.9°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are fairly slow with tourists.