Climate Insights for Big Falls Municipal Airport

Walla Walla County, Minnesota, United States

Hottest
Luglio
27°C peak
Coldest
Febbraio
-17°C low
Wettest
Giugno
104mm rain
Best to Visit
Luglio, Agosto
Mild temps & low rain

Climate Overview

The climate in Big Falls Municipal Airport is cool. The average annual temperature is 5°C and approximately 717mm of precipitation falls per year. Giugno is the wettest month, receiving around 104mm of rainfall. Big Falls Municipal 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 -17°C. Snowfall occurs from January to December, with around 112cm accumulating over the season.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -7° Average: -12° Min: -16° Feb Max: -6° Average: -12° Min: -17° Mar Max: 3° Average: -3° Min: -8° Apr Max: 10° Average: 4° Min: -1° May Max: 20° Average: 13° Min: 7° Jun Max: 25° Average: 18° Min: 13° Jul Max: 27° Average: 20° Min: 14° Aug Max: 25° Average: 19° Min: 13° Sep Max: 21° Average: 15° Min: 10° Oct Max: 12° Average: 6° Min: 3° Nov Max: 2° Average: -2° Min: -5° Dec Max: -4° Average: -9° Min: -12°
Max
Average
Min

Big Falls Municipal Airport has a wide annual temperature range, spanning 44°C from the coldest to warmest months. The warmest month is Luglio, when average highs reach 27°C and the mean temperature sits around 20°C. Febbraio brings the harshest conditions, with lows dropping to -17°C and an average temperature of -12°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 21mm Snow: 16mm Feb Precipitation: 24mm Snow: 16mm Mar Precipitation: 31mm Snow: 16mm Apr Precipitation: 60mm Snow: 16mm May Precipitation: 71mm Snow: 1mm Jun Precipitation: 104mm Snow: 0mm Jul Precipitation: 80mm Snow: 0mm Aug Precipitation: 84mm Snow: 0mm Sep Precipitation: 93mm Snow: 0mm Oct Precipitation: 67mm Snow: 6mm Nov Precipitation: 39mm Snow: 16mm Dec Precipitation: 41mm Snow: 25mm
Precipitation
Snow

Big Falls Municipal Airport is a relatively dry area, receiving approximately 717mm of precipitation annually, which averages out to around 60mm per month. The wettest month is June, averaging 104mm of rainfall. September and August also tend to see above-average precipitation. The driest month is January, with just 21mm. That's 83mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 112cm accumulating over the season. December typically sees the most snow at around 25cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 15km/h Feb Wind Speed: 17km/h Mar Wind Speed: 17km/h Apr Wind Speed: 18km/h May Wind Speed: 17km/h Jun Wind Speed: 17km/h Jul Wind Speed: 15km/h Aug Wind Speed: 16km/h Sep Wind Speed: 18km/h Oct Wind Speed: 18km/h Nov Wind Speed: 17km/h Dec Wind Speed: 16km/h
Wind Speed

Big Falls Municipal Airport is mildly breezy, with an average annual wind speed of 17km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

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

1 day until Spring

It is currently winter in Big Falls Municipal Airport, which began on December 21, 2026. Big Falls Municipal 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 27°C, while the coldest stretch bottoms out in Febbraio near -17°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

Spring

Temperatures range from -8 to 20°C. Precipitation is moderate at around 163mm for the season, averaging 54mm per month. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 13 to 27°C. Precipitation is moderate at around 269mm for the season, averaging 90mm per month. Winds are moderate at around 16km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -5 to 21°C. Precipitation is moderate at around 199mm for the season, averaging 66mm per month. Expect around 22cm of snow accumulation during this period. Winds are moderate at around 18km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -17 to -4°C. Rainfall is relatively light, with around 86mm over the season and a monthly average of 29mm. Expect around 57cm of snow accumulation during this period. Winds are moderate at around 16km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -12°
Feb -12°
Mar -3°
Apr
May 13°
Jun 18°
Jul 20°
Aug 19°
Sep 15°
Oct
Nov -2°
Dec -9°

The best time to visit Big Falls Municipal Airport is during Luglio and Agosto, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 82mm per month. By contrast, Febbraio can be quite cold with temperatures dropping to -17°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Big Falls Municipal 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
-16 °C
-7 °C
15 km/h
21 mm
16 cm
Feb
-17 °C
-6 °C
17 km/h
24 mm
16 cm
Mar Current
-8 °C
3 °C
17 km/h
31 mm
16 cm
Apr
-1 °C
10 °C
18 km/h
60 mm
16 cm
May
7 °C
20 °C
17 km/h
71 mm
1 cm
Jun
13 °C
25 °C
17 km/h
104 mm
0 cm
Jul
14 °C
27 °C
15 km/h
80 mm
0 cm
Aug
13 °C
25 °C
16 km/h
84 mm
0 cm
Sep
10 °C
21 °C
18 km/h
93 mm
0 cm
Oct
3 °C
12 °C
18 km/h
67 mm
6 cm
Nov
-5 °C
2 °C
17 km/h
39 mm
16 cm
Dec
-12 °C
-4 °C
16 km/h
41 mm
25 cm
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Metric (°C, km/h)