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Rainbow over rural Kansas road.
A rainbow forms near the park entrance.


Western Kansas has a four season climate with hot summers, cold winters and relatively low humidity year round. Although winters tend to be cold, with average daytime highs in the 30s and 40s, Chinook winds in the winter can warm western Kansas all the way into the 80F (27C) range.

Although the climate in this area is semi-arid, western Kansas does get snow in the winter. Sometimes the snow can be quite deep and even a light snow fall can drift substantially because of the almost constant winds in this part of Kansas. Caution is always advised when driving in snowy conditions.

Close up of three yellow flowers.
Kansas sunflowers announce Spring.

NPS/Nathan King

Spring (March - May)

Springtime in western Kansas can still be fairly chilly with daytime temperatures in the 50s and 60s (10 to 18C) and overnight lows in the 30s and 40s (0 to 5C).

U.S. flag on tall flag pole.  Two sandstone buildings in background on either side of flagpole.
Summertime in Kansas means lots of sunshine.


Summer (June - August)

Daytime temperatures range from the 90s up to 100 or above (32 - 37C). It's not unusual to have extended periods of temperatures in the 100 or above range (over 37C). The temperature does drop somewhat overnight with the average highs in the mid to upper 60s (18C).

Tree with yellow leaves through a doorway.
Fall can be a colorful time of year at Fort Larned.

NPS/Celeste Dixon

Fall (September - November)

September and October can still be fairly hot with average daytime highs in the 70s and 80s (12 to 26C) and overnight lows in the mid-50s and 40s (10 to 4C). November is much cooler with daytime highs in the mid-50s (13C) and night time lows near 30 (-1C).

View of snow covered open area with flag pole in the middle and sandstone buildings in the background.
Winter can be a lonely on the plains.

NPS/Celeste Dixon

Winter (December - February)

Winters can be fairly cold in western Kansas. The average daytime temperature is 45F (7C), while overnight temperatures can reach 0F (-18C) or below. The avarage low is 12F (-5C).

Storms and Tornados

Evening view of prairie landscape with a tornado in the distance.
Picture of a tornado taken near the fort.

NPS/George Elmore

Although tornadoes may be one of the first things that come to mind when you think of Kansas, they're actually less common in Kansas than they are in several other states. Still, the potential for violent storms and tornadoes does exist. In the event of a violent storm or tornado, Fort Larned staff will direct visitors to planned safe zones.

Chart of average temperatures in Western Kansas.
Average seasonal temperatures in Western Kansas.

Last updated: January 3, 2024

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Contact Info

Mailing Address:

1767 KS Hwy 156
Larned, KS 67550


This phone is answered during regular business hours. After hours calls will be answered the next day. Please select a mailbox or leave a message on the main extension when the fort is closed.

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