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Best time to visit Kalispell, MT, USA

Our verdict

The best time to visit Kalispell is September

Based on all the essential things any traveller needs to know about visiting Kalispell such as the cost of travel, weather, peak travel seasons and many more, September is the best time of year to go.

In summer, the temperature in Kalispell can rise as high as 28℃ (83℉). In the winter months, it can get down to as low as -17℃ (1℉) at night.

If you want to get the most out of your time visiting Kalispell, or you’re just afraid of the dark, the days in July are usually the longest between sunrise and sunset. March sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in August instead.

Find out everything you need to know about when to visit Kalispell below, including detailed information about the weather and tools to help you find the best prices and book your trip.

Warmest month

July

Least rainfall

August

Most daylight

July

Kalispell seasons

Before you continue, it’s important to know when the seasons are in Kalispell as they might be different to yours depending on where in the world you’re travelling from. Kalispell is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Kalispell

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Kalispell for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Kalispell climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Kalispell for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Kalispell in January

  • Average temperature: -6℃ (21℉)
  • Average high temperature: -3℃ (28℉)
  • Average low temperature: -10℃ (15℉)
  • Average humidity: 93%
  • Average sunny days: 10 days
  • Average rainfall: 42mm (2") over 9 days
  • Average snow days: 21 days
10 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Kalispell in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in February

  • Average temperature: -6℃ (21℉)
  • Average high temperature: -2℃ (28℉)
  • Average low temperature: -10℃ (14℉)
  • Average humidity: 90%
  • Average sunny days: 7 days
  • Average rainfall: 41mm (2") over 9 days
  • Average snow days: 20 days
7 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Kalispell in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in March

  • Average temperature: -2℃ (29℉)
  • Average high temperature: 3℃ (37℉)
  • Average low temperature: -5℃ (22℉)
  • Average humidity: 87%
  • Average sunny days: 7 days
  • Average rainfall: 49mm (2") over 17 days
  • Average snow days: 17 days
7 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Kalispell in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in April

  • Average temperature: 3℃ (37℉)
  • Average high temperature: 8℃ (47℉)
  • Average low temperature: -2℃ (28℉)
  • Average humidity: 77%
  • Average sunny days: 8 days
  • Average rainfall: 46mm (2") over 18 days
  • Average snow days: 8 days
8 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Kalispell in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in May

  • Average temperature: 9℃ (48℉)
  • Average high temperature: 15℃ (60℉)
  • Average low temperature: 2℃ (36℉)
  • Average humidity: 68%
  • Average sunny days: 13 days
  • Average rainfall: 41mm (2") over 15 days
  • Average snow days: 1 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Kalispell in May, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in June

  • Average temperature: 12℃ (54℉)
  • Average high temperature: 19℃ (67℉)
  • Average low temperature: 5℃ (42℉)
  • Average humidity: 66%
  • Average sunny days: 13 days
  • Average rainfall: 42mm (2") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Kalispell in June, make sure you pack a warm jacket or coat.


Kalispell in July

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 25℃ (78℉)
  • Average low temperature: 8℃ (46℉)
  • Average humidity: 55%
  • Average sunny days: 21 days
  • Average rainfall: 15mm (1") over 8 days
21 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Kalispell in July, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.


Kalispell in August

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 25℃ (77℉)
  • Average low temperature: 8℃ (46℉)
  • Average humidity: 55%
  • Average sunny days: 22 days
  • Average rainfall: 14mm (1") over 6 days
22 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Kalispell in August, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.


Kalispell in September

  • Average temperature: 11℃ (52℉)
  • Average high temperature: 19℃ (66℉)
  • Average low temperature: 4℃ (40℉)
  • Average humidity: 63%
  • Average sunny days: 20 days
  • Average rainfall: 23mm (1") over 9 days
20 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Kalispell in September, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.

Kalispell in October

  • Average temperature: 4℃ (39℉)
  • Average high temperature: 9℃ (49℉)
  • Average low temperature: -1℃ (31℉)
  • Average humidity: 75%
  • Average sunny days: 14 days
  • Average rainfall: 36mm (1") over 14 days
  • Average snow days: 4 days
14 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Kalispell in October, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in November

  • Average temperature: -2℃ (28℉)
  • Average high temperature: 1℃ (35℉)
  • Average low temperature: -5℃ (23℉)
  • Average humidity: 85%
  • Average sunny days: 11 days
  • Average rainfall: 39mm (2") over 11 days
  • Average snow days: 13 days
11 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Kalispell in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Kalispell in December

  • Average temperature: -7℃ (20℉)
  • Average high temperature: -3℃ (26℉)
  • Average low temperature: -10℃ (15℉)
  • Average humidity: 90%
  • Average sunny days: 9 days
  • Average rainfall: 42mm (2") over 10 days
  • Average snow days: 21 days
9 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Kalispell in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Kalispell is usually July, where temperatures tend to rise to around 25℃ (78℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Kalispell is generally around August. The dry season often coincides with cooler weather, so you should check the temperatures in August first to make sure it’s still a good time to go.
The rainiest time of year in Kalispell is generally around March, although the wetter season can sometimes extend a few months either side of March too.
If you want to get the most out of your time visiting Kalispell, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Kalispell map