Climate Insights for Houston County Airport

San Juan County, Minnesota, United States

Hottest
July
28°C peak
Coldest
January
-10°C low
Wettest
May
138mm rain
Best to Visit
August
Mild temps & low rain

Climate Overview

The climate in Houston County Airport is cool. The average annual temperature is 9°C and approximately 1104mm of precipitation falls per year. Houston County Airport receives a notable amount of rainfall throughout the year, including during its driest month. Houston County Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -10°C. Snowfall occurs from January to December, with around 146cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -3° Average: -7° Min: -10° Feb Max: 0° Average: -4° Min: -8° Mar Max: 7° Average: 2° Min: -2° Apr Max: 14° Average: 8° Min: 3° May Max: 21° Average: 15° Min: 11° Jun Max: 27° Average: 21° Min: 17° Jul Max: 28° Average: 23° Min: 19° Aug Max: 26° Average: 21° Min: 17° Sep Max: 23° Average: 18° Min: 14° Oct Max: 14° Average: 9° Min: 6° Nov Max: 7° Average: 2° Min: -1° Dec Max: 0° Average: -4° Min: -7°
Max
Average
Min

Houston County Airport has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -7°C. On average, daily temperatures fluctuate by about 9°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 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 45mm Snow: 29mm Feb Precipitation: 50mm Snow: 38mm Mar Precipitation: 76mm Snow: 21mm Apr Precipitation: 88mm Snow: 16mm May Precipitation: 138mm Snow: 0mm Jun Precipitation: 136mm Snow: 0mm Jul Precipitation: 116mm Snow: 0mm Aug Precipitation: 98mm Snow: 0mm Sep Precipitation: 133mm Snow: 0mm Oct Precipitation: 127mm Snow: 2mm Nov Precipitation: 56mm Snow: 15mm Dec Precipitation: 40mm Snow: 26mm
Precipitation
Snow

Houston County Airport is a moderately rainy area, receiving approximately 1104mm of precipitation annually, which averages out to around 92mm per month. The wettest month is May, averaging 138mm of rainfall. June and September also tend to see above-average precipitation. The driest month is December, with just 40mm. That's 98mm less than May, 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 146cm accumulating over the season. February typically sees the most snow at around 38cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Houston County Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

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

2 days until Summer

It is currently spring in Houston County Airport, which began on March 20, 2026. Houston County 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 July at around 28°C, while the coldest stretch bottoms out in January near -10°C. Summer is next, beginning on June 21, 2026 — 2 days from now.

Spring

Temperatures range from -2 to 21°C. Rainfall is heavy, totalling around 302mm across the season with a monthly average of 101mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 350mm across the season with a monthly average of 117mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from -1 to 23°C. Rainfall is heavy, totalling around 316mm across the season with a monthly average of 105mm. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -10 to 0°C. Rainfall is relatively light, with around 136mm over the season and a monthly average of 45mm. Expect around 93cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -7°
Feb -4°
Mar
Apr
May 15°
Jun 21°
Jul 23°
Aug 21°
Sep 18°
Oct
Nov
Dec -4°

The best time to visit Houston County Airport is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 98mm per month. By contrast, July can be uncomfortably hot with highs reaching 28°C, while January is the coldest period with lows dropping to -10°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 Houston County 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
-3 °C
3 km/h
45 mm
29 cm
Feb
-8 °C
0 °C
4 km/h
50 mm
38 cm
Mar
-2 °C
7 °C
4 km/h
76 mm
21 cm
Apr
3 °C
14 °C
4 km/h
88 mm
16 cm
May
11 °C
21 °C
3 km/h
138 mm
0 cm
Jun Current
17 °C
27 °C
3 km/h
136 mm
0 cm
Jul
19 °C
28 °C
3 km/h
116 mm
0 cm
Aug
17 °C
26 °C
3 km/h
98 mm
0 cm
Sep
14 °C
23 °C
3 km/h
133 mm
0 cm
Oct
6 °C
14 °C
4 km/h
127 mm
2 cm
Nov
-1 °C
7 °C
4 km/h
56 mm
15 cm
Dec
-7 °C
0 °C
4 km/h
40 mm
26 cm
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