Climate Insights for Hampton

Wahkiakum County, Iowa, United States

Hottest
July
29°C peak
Coldest
January
-10°C low
Wettest
May
155mm rain
Best to Visit
July
Mild temps & low rain

Climate Overview

The climate in Hampton is cool. The average annual temperature is 9°C and approximately 1071mm of precipitation falls per year. Hampton receives a notable amount of rainfall throughout the year, including during its driest month. Hampton 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 125cm 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: -5° Min: -9° Mar Max: 8° Average: 2° Min: -2° Apr Max: 15° Average: 9° Min: 4° May Max: 22° Average: 16° Min: 11° Jun Max: 28° Average: 22° Min: 17° Jul Max: 29° Average: 24° Min: 19° Aug Max: 27° Average: 22° Min: 17° Sep Max: 25° Average: 19° Min: 14° Oct Max: 16° Average: 10° Min: 6° Nov Max: 8° Average: 3° Min: -1° Dec Max: 1° Average: -3° Min: -7°
Max
Average
Min

Hampton has a wide annual temperature range, spanning 39°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 24°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 10°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 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 42mm Snow: 27mm Feb Precipitation: 48mm Snow: 34mm Mar Precipitation: 77mm Snow: 19mm Apr Precipitation: 92mm Snow: 13mm May Precipitation: 155mm Snow: 0mm Jun Precipitation: 120mm Snow: 0mm Jul Precipitation: 88mm Snow: 0mm Aug Precipitation: 100mm Snow: 0mm Sep Precipitation: 149mm Snow: 0mm Oct Precipitation: 111mm Snow: 3mm Nov Precipitation: 49mm Snow: 8mm Dec Precipitation: 39mm Snow: 20mm
Precipitation
Snow

Hampton is a moderately rainy area, receiving approximately 1071mm of precipitation annually, which averages out to around 89mm per month. The wettest month is May, averaging 155mm of rainfall. September and June also tend to see above-average precipitation. The driest month is December, with just 39mm. That's 116mm 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 125cm accumulating over the season. February typically sees the most snow at around 34cm.

Wind

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

Hampton is relatively calm, with an average annual wind speed of 4km/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 5km/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. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

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

6 days until Summer

It is currently spring in Hampton, which began on March 20, 2026. Hampton 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 29°C, while the coldest stretch bottoms out in January near -10°C. Summer is next, beginning on June 21, 2026 — 6 days from now.

Spring

Temperatures range from -2 to 22°C. Rainfall is heavy, totalling around 324mm across the season with a monthly average of 108mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 17 to 29°C. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from -1 to 25°C. Rainfall is heavy, totalling around 309mm across the season with a monthly average of 103mm. Expect around 11cm 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 1°C. Rainfall is relatively light, with around 129mm over the season and a monthly average of 43mm. Expect around 82cm 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 -5°
Mar
Apr
May 16°
Jun 22°
Jul 24°
Aug 22°
Sep 19°
Oct 10°
Nov
Dec -3°

The best time to visit Hampton is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 88mm per month. By contrast, January can be quite cold with temperatures 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 Hampton 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
4 km/h
42 mm
27 cm
Feb
-9 °C
0 °C
5 km/h
48 mm
34 cm
Mar
-2 °C
8 °C
5 km/h
77 mm
19 cm
Apr
4 °C
15 °C
5 km/h
92 mm
13 cm
May
11 °C
22 °C
4 km/h
155 mm
0 cm
Jun Current
17 °C
28 °C
4 km/h
120 mm
0 cm
Jul
19 °C
29 °C
3 km/h
88 mm
0 cm
Aug
17 °C
27 °C
3 km/h
100 mm
0 cm
Sep
14 °C
25 °C
4 km/h
149 mm
0 cm
Oct
6 °C
16 °C
5 km/h
111 mm
3 cm
Nov
-1 °C
8 °C
4 km/h
49 mm
8 cm
Dec
-7 °C
1 °C
4 km/h
39 mm
20 cm
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