Climate Insights for Blue Heron Airport

Mellette County, New York, United States

Hottest
Luglio
28°C peak
Coldest
Gennaio
-7°C low
Wettest
Giugno
113mm rain
Best to Visit
Maggio
Mild temps & low rain

Climate Overview

The climate in Blue Heron Airport is cool. The average annual temperature is 9°C and approximately 1154mm of precipitation falls per year. Blue Heron Airport receives a notable amount of rainfall throughout the year, including during its driest month. Blue Heron 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 Gennaio, Febbraio, Dicembre, when temperatures can drop to -7°C. Snowfall occurs from January to December, with around 129cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -4° Min: -7° Feb Max: 2° Average: -3° Min: -7° Mar Max: 7° Average: 1° Min: -3° Apr Max: 14° Average: 8° Min: 3° May Max: 21° Average: 15° Min: 10° Jun Max: 25° Average: 19° Min: 14° Jul Max: 28° Average: 22° Min: 17° Aug Max: 26° Average: 21° Min: 16° Sep Max: 23° Average: 17° Min: 13° Oct Max: 16° Average: 11° Min: 7° Nov Max: 9° Average: 4° Min: 0° Dec Max: 3° Average: 0° Min: -4°
Max
Average
Min

Temperatures in Blue Heron Airport vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 28°C and the mean temperature sits around 22°C. The coldest month is Gennaio, when overnight lows fall to -7°C and the daily average is -4°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 7°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: 84mm Snow: 28mm Feb Precipitation: 77mm Snow: 29mm Mar Precipitation: 86mm Snow: 26mm Apr Precipitation: 110mm Snow: 9mm May Precipitation: 88mm Snow: 0mm Jun Precipitation: 113mm Snow: 0mm Jul Precipitation: 110mm Snow: 0mm Aug Precipitation: 101mm Snow: 0mm Sep Precipitation: 101mm Snow: 0mm Oct Precipitation: 103mm Snow: 2mm Nov Precipitation: 79mm Snow: 13mm Dec Precipitation: 100mm Snow: 23mm
Precipitation
Snow

Blue Heron Airport is a moderately rainy area, receiving approximately 1154mm of precipitation annually, which averages out to around 96mm per month. The wettest month is June, averaging 113mm of rainfall. July and April also tend to see above-average precipitation. The driest month is February, with just 77mm. That's 36mm less than June, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 129cm accumulating over the season. February typically sees the most snow at around 29cm.

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: 18km/h Feb Wind Speed: 18km/h Mar Wind Speed: 19km/h Apr Wind Speed: 18km/h May Wind Speed: 15km/h Jun Wind Speed: 14km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 13km/h Oct Wind Speed: 15km/h Nov Wind Speed: 17km/h Dec Wind Speed: 17km/h
Wind Speed

Blue Heron Airport is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 17km/h in spring, 13km/h in summer, 15km/h in autumn.

Seasons

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

1 day until Spring

It is currently winter in Blue Heron Airport, which began on December 21, 2026. Blue Heron 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 28°C, while the coldest stretch bottoms out in Gennaio near -7°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

Spring

Temperatures range from -3 to 21°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 28°C. Rainfall is heavy, totalling around 324mm across the season with a monthly average of 108mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 0 to 23°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Expect around 15cm of snow accumulation during this period. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -7 to 3°C. Precipitation is moderate at around 261mm for the season, averaging 87mm per month. Expect around 79cm of snow accumulation during this period. Winds are moderate at around 17km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -4°
Feb -3°
Mar
Apr
May 15°
Jun 19°
Jul 22°
Aug 21°
Sep 17°
Oct 11°
Nov
Dec

The best time to visit Blue Heron Airport is during Maggio, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 88mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 28°C, while Gennaio is the coldest period with lows dropping to -7°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 Blue Heron 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
-7 °C
0 °C
18 km/h
84 mm
28 cm
Feb
-7 °C
2 °C
18 km/h
77 mm
29 cm
Mar Current
-3 °C
7 °C
19 km/h
86 mm
26 cm
Apr
3 °C
14 °C
18 km/h
110 mm
9 cm
May
10 °C
21 °C
15 km/h
88 mm
0 cm
Jun
14 °C
25 °C
14 km/h
113 mm
0 cm
Jul
17 °C
28 °C
13 km/h
110 mm
0 cm
Aug
16 °C
26 °C
13 km/h
101 mm
0 cm
Sep
13 °C
23 °C
13 km/h
101 mm
0 cm
Oct
7 °C
16 °C
15 km/h
103 mm
2 cm
Nov
0 °C
9 °C
17 km/h
79 mm
13 cm
Dec
-4 °C
3 °C
17 km/h
100 mm
23 cm
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Metric (°C, km/h)