Climate Insights for Castleberry Airport

Crook County, Montana, United States

Hottest
Luglio
31°C peak
Coldest
Febbraio
-10°C low
Wettest
Maggio
76mm rain
Best to Visit
Giugno, Luglio, Agosto
Mild temps & low rain

Climate Overview

The climate in Castleberry Airport is cool. The average annual temperature is 8°C and approximately 456mm of precipitation falls per year. Maggio is the wettest month, receiving around 76mm of rainfall. Castleberry Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Febbraio, Gennaio, Dicembre, when temperatures can drop to -10°C. Snowfall occurs from January to December, with around 80cm accumulating over the season.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -1° Average: -6° Min: -10° Feb Max: 0° Average: -6° Min: -10° Mar Max: 8° Average: 1° Min: -4° Apr Max: 13° Average: 6° Min: 0° May Max: 19° Average: 12° Min: 7° Jun Max: 26° Average: 19° Min: 13° Jul Max: 31° Average: 23° Min: 16° Aug Max: 30° Average: 21° Min: 14° Sep Max: 25° Average: 17° Min: 10° Oct Max: 14° Average: 7° Min: 2° Nov Max: 7° Average: 1° Min: -3° Dec Max: 1° Average: -4° Min: -8°
Max
Average
Min

Castleberry Airport has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is Luglio, when average highs reach 31°C and the mean temperature sits around 23°C. The coldest month is Febbraio, when overnight lows fall to -10°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 13mm Snow: 10mm Feb Precipitation: 19mm Snow: 13mm Mar Precipitation: 19mm Snow: 9mm Apr Precipitation: 55mm Snow: 16mm May Precipitation: 76mm Snow: 3mm Jun Precipitation: 64mm Snow: 0mm Jul Precipitation: 41mm Snow: 0mm Aug Precipitation: 48mm Snow: 0mm Sep Precipitation: 48mm Snow: 0mm Oct Precipitation: 37mm Snow: 10mm Nov Precipitation: 15mm Snow: 7mm Dec Precipitation: 20mm Snow: 13mm
Precipitation
Snow

Castleberry Airport is a relatively dry area, receiving approximately 456mm of precipitation annually, which averages out to around 38mm per month. The wettest month is May, averaging 76mm of rainfall. June and April also tend to see above-average precipitation. The driest month is January, with just 13mm. That's 63mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 80cm accumulating over the season. April typically sees the most snow at around 16cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 23km/h Feb Wind Speed: 24km/h Mar Wind Speed: 25km/h Apr Wind Speed: 28km/h May Wind Speed: 25km/h Jun Wind Speed: 25km/h Jul Wind Speed: 22km/h Aug Wind Speed: 22km/h Sep Wind Speed: 24km/h Oct Wind Speed: 24km/h Nov Wind Speed: 24km/h Dec Wind Speed: 24km/h
Wind Speed

Castleberry Airport is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

92 days until Summer

It is currently spring in Castleberry Airport, which began on March 20, 2026. Castleberry Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Luglio at around 31°C, while the coldest stretch bottoms out in Febbraio near -10°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

Spring

Temperatures range from -4 to 19°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are strong, averaging 26km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 13 to 31°C. Precipitation is moderate at around 153mm for the season, averaging 51mm per month. Winds are moderate at around 23km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from -3 to 25°C. Rainfall is relatively light, with around 100mm over the season and a monthly average of 33mm. Expect around 17cm of snow accumulation during this period. Winds are moderate at around 24km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -10 to 1°C. Rainfall is relatively light, with around 52mm over the season and a monthly average of 17mm. Expect around 36cm of snow accumulation during this period. Winds are moderate at around 24km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -6°
Feb -6°
Mar
Apr
May 12°
Jun 19°
Jul 23°
Aug 21°
Sep 17°
Oct
Nov
Dec -4°

The best time to visit Castleberry Airport is during Giugno, Luglio, Agosto and Settembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 50mm per month. By contrast, Febbraio can be quite cold with temperatures dropping to -10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Castleberry Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-10 °C
-1 °C
23 km/h
13 mm
10 cm
Feb
-10 °C
0 °C
24 km/h
19 mm
13 cm
Mar Current
-4 °C
8 °C
25 km/h
19 mm
9 cm
Apr
0 °C
13 °C
28 km/h
55 mm
16 cm
May
7 °C
19 °C
25 km/h
76 mm
3 cm
Jun
13 °C
26 °C
25 km/h
64 mm
0 cm
Jul
16 °C
31 °C
22 km/h
41 mm
0 cm
Aug
14 °C
30 °C
22 km/h
48 mm
0 cm
Sep
10 °C
25 °C
24 km/h
48 mm
0 cm
Oct
2 °C
14 °C
24 km/h
37 mm
10 cm
Nov
-3 °C
7 °C
24 km/h
15 mm
7 cm
Dec
-8 °C
1 °C
24 km/h
20 mm
13 cm
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Metric (°C, km/h)