The best times to visit Lyons for ideal weather are

May 14th 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 Lyons Travel Info

Weather in Lyons


Average temperatures in Lyons vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 48th 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 Lyons, 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 93.9°F (34.4°C) with temperatures rarely dropping below 57.9°F (14.4°C) at night.

Lyons Temperatures (Fahrenheit)


Lyons Temperatures (Celsius)


“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.

Lyons Perceived Temperature (F)


Lyons Perceived Temperature (C)



Average Lyons 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 49.2 32.1 18.3
Feb 47.6 31 18.1
Mar 61.8 43.6 28.7
Apr 65.8 49.1 34.9
May 73.4 57.1 42.7
Jun 88.6 70.2 53
Jul 91.2 74.2 59.2
Aug 90.7 72.8 56.7
Sep 82.2 63.7 48.9
Oct 68.2 51.2 37.9
Nov 56.1 39 26.1
Dec 45.2 29.4 17.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.6 0.1 -7.6
Feb 8.7 -0.6 -7.7
Mar 16.6 6.4 -1.8
Apr 18.8 9.5 1.6
May 23 13.9 5.9
Jun 31.4 21.2 11.7
Jul 32.9 23.4 15.1
Aug 32.6 22.7 13.7
Sep 27.9 17.6 9.4
Oct 20.1 10.7 3.3
Nov 13.4 3.9 -3.3
Dec 7.3 -1.4 -8.3



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Lyons are March, April, and then June. 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 May with an average of 1 days of significant precipitation the week of May 7th.

When can you find snow in Lyons? 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 Lyons.

Days with precipitation

Snow on the Ground

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

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
Feb 3% 0 0.2
Mar 0% 0 0
Apr 0% 0 0
May 6% 0 0.5
Jun 0% 0 0
Jul 3% 0 0.5
Aug 1% 0 0
Sep 0% 0 0
Oct 6% 0 0.3
Nov 2% 0 0.1
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 1 0 0
Feb 3 0 0.5
Mar 0 0 0
Apr 0 0 0
May 6 0 1.3
Jun 0 0 0
Jul 3 0 1.3
Aug 1 0 0
Sep 0 0 0
Oct 6 0 0.8
Nov 2 0 0.3
Dec 0 0 0


Humidity and Wind

Lyons has some comfortably humid months, and slightly dry months in the opposite season. The least humid month is March (31.3% relative humidity), and the most humid month is December (46.4%).

Wind in Lyons is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 5.3 knots (6.1 MPH or 9.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 17.4 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 3.9 Barely noticeable 13.3 Significant breeze
Feb 4.7 Light breeze 14.5 Significant breeze
Mar 5.1 Light breeze 15.8 Significant breeze
Apr 5.3 Light breeze 15.6 Significant breeze
May 4.1 Light breeze 13.7 Significant breeze
Jun 4.1 Light breeze 14 Significant breeze
Jul 3.6 Barely noticeable 13.6 Significant breeze
Aug 3.3 Barely noticeable 12.6 Significant breeze
Sep 3 Barely noticeable 11.1 Significant breeze
Oct 3.3 Barely noticeable 11.1 Significant breeze
Nov 4 Light breeze 12.3 Significant breeze
Dec 3.5 Barely noticeable 11.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 41.6%
Feb 43.2%
Mar 31.3%
Apr 35.3%
May 41.2%
Jun 31.9%
Jul 38.8%
Aug 33.6%
Sep 38.2%
Oct 43.7%
Nov 41.8%
Dec 46.4%


Is it Safe to Travel to Lyons?

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 Lyons, CO, US is August, followed by September and May. 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 Lyons in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 51.9 in October means 51.9% of the tourists vs. August.



Overall Lyons Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 83.3°F (28.5°C) and 48.9°F (9.4°C) with warmer temperatures in the later months. Rain is extremely rare with 0 to 2 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 0 to 1 days of precipitation per month. June – August is the busiest season for tourism in Lyons, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 84.1°F (28.9°C) and 51°F (10.6°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 0 to 2 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 Lyons to be enjoyable for warm weather travelers. The average high during this season is between 54.2°F (12.3°C) and 40.3°F (4.6°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the second busiest with tourists.


Best Times to Travelthe United States › Lyons, CO, US