Climate Insights for Hefner-Easley Airport

Red Willow County, Oklahoma, United States

Hottest
July
33°C peak
Coldest
January
0°C low
Wettest
May
161mm rain
Best to Visit
September
Mild temps & low rain

Climate Overview

The climate in Hefner-Easley Airport is temperate. The average annual temperature is 16°C and approximately 1264mm of precipitation falls per year. Hefner-Easley Airport receives a notable amount of rainfall throughout the year, including during its driest month. Hefner-Easley Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to 0°C. Light snow can occur between January and December.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 10° Average: 4° Min: 0° Feb Max: 14° Average: 7° Min: 3° Mar Max: 19° Average: 12° Min: 7° Apr Max: 22° Average: 16° Min: 10° May Max: 26° Average: 21° Min: 16° Jun Max: 32° Average: 26° Min: 21° Jul Max: 33° Average: 28° Min: 23° Aug Max: 32° Average: 26° Min: 22° Sep Max: 30° Average: 24° Min: 19° Oct Max: 23° Average: 17° Min: 12° Nov Max: 17° Average: 11° Min: 6° Dec Max: 11° Average: 6° Min: 2°
Max
Average
Min

Temperatures in Hefner-Easley Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 0°C and an average of 4°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 83mm Snow: 3mm Feb Precipitation: 91mm Snow: 2mm Mar Precipitation: 127mm Snow: 0mm Apr Precipitation: 158mm Snow: 0mm May Precipitation: 161mm Snow: 0mm Jun Precipitation: 69mm Snow: 0mm Jul Precipitation: 108mm Snow: 0mm Aug Precipitation: 126mm Snow: 0mm Sep Precipitation: 91mm Snow: 0mm Oct Precipitation: 129mm Snow: 0mm Nov Precipitation: 64mm Snow: 1mm Dec Precipitation: 59mm Snow: 4mm
Precipitation
Snow

Hefner-Easley Airport is a fairly wet location, receiving approximately 1264mm of precipitation annually, which averages out to around 105mm per month. The wettest month is May, averaging 161mm of rainfall. April and October also tend to see above-average precipitation. The driest month is December, with just 59mm. That's 102mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 10cm annually. December is the snowiest month with approximately 4cm.

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: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Hefner-Easley 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 March, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

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

4 days until Summer

It is currently spring in Hefner-Easley Airport, which began on March 20, 2026. Hefner-Easley 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 33°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 4 days from now.

Spring

Temperatures range from 7 to 26°C. Rainfall is heavy, totalling around 445mm across the season with a monthly average of 148mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 33°C. Rainfall is heavy, totalling around 303mm across the season with a monthly average of 101mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 6 to 30°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 0 to 14°C. Precipitation is moderate at around 232mm for the season, averaging 77mm per month. Expect around 9cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar 12°
Apr 16°
May 21°
Jun 26°
Jul 28°
Aug 26°
Sep 24°
Oct 17°
Nov 11°
Dec

The best time to visit Hefner-Easley Airport is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 91mm per month. By contrast, July can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 0°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 Hefner-Easley 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
0 °C
10 °C
3 km/h
83 mm
3 cm
Feb
3 °C
14 °C
4 km/h
91 mm
2 cm
Mar
7 °C
19 °C
4 km/h
127 mm
0 cm
Apr
10 °C
22 °C
4 km/h
158 mm
0 cm
May
16 °C
26 °C
3 km/h
161 mm
0 cm
Jun Current
21 °C
32 °C
3 km/h
69 mm
0 cm
Jul
23 °C
33 °C
3 km/h
108 mm
0 cm
Aug
22 °C
32 °C
3 km/h
126 mm
0 cm
Sep
19 °C
30 °C
3 km/h
91 mm
0 cm
Oct
12 °C
23 °C
3 km/h
129 mm
0 cm
Nov
6 °C
17 °C
3 km/h
64 mm
1 cm
Dec
2 °C
11 °C
3 km/h
59 mm
4 cm
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