Climate Insights for Laplace

Mellette County, Louisiana, United States

Hottest
August
32°C peak
Coldest
January
9°C low
Wettest
August
208mm rain
Best to Visit
October, November
Mild temps & low rain

Climate Overview

The climate in Laplace is warm and mild. The average annual temperature is 21°C and approximately 1550mm of precipitation falls per year. Laplace receives a notable amount of rainfall throughout the year, including during its driest month. Laplace is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to 9°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 17° Average: 12° Min: 9° Feb Max: 20° Average: 15° Min: 12° Mar Max: 23° Average: 18° Min: 15° Apr Max: 25° Average: 21° Min: 17° May Max: 29° Average: 25° Min: 22° Jun Max: 31° Average: 28° Min: 25° Jul Max: 31° Average: 28° Min: 26° Aug Max: 32° Average: 28° Min: 26° Sep Max: 30° Average: 27° Min: 24° Oct Max: 27° Average: 23° Min: 19° Nov Max: 22° Average: 17° Min: 14° Dec Max: 19° Average: 14° Min: 11°
Max
Average
Min

Temperatures in Laplace vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 32°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 9°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 115mm Snow: 2mm Feb Precipitation: 110mm Snow: 0mm Mar Precipitation: 110mm Snow: 0mm Apr Precipitation: 105mm Snow: 0mm May Precipitation: 129mm Snow: 0mm Jun Precipitation: 163mm Snow: 0mm Jul Precipitation: 180mm Snow: 0mm Aug Precipitation: 208mm Snow: 0mm Sep Precipitation: 138mm Snow: 0mm Oct Precipitation: 96mm Snow: 0mm Nov Precipitation: 86mm Snow: 0mm Dec Precipitation: 108mm Snow: 0mm
Precipitation
Snow

Laplace is a fairly wet location, receiving approximately 1550mm of precipitation annually, which averages out to around 129mm per month. The wettest month is August, averaging 208mm of rainfall. July and June also tend to see above-average precipitation. The driest month is November, with just 86mm. That's 122mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 14km/h Mar Wind Speed: 14km/h Apr Wind Speed: 14km/h May Wind Speed: 12km/h Jun Wind Speed: 10km/h Jul Wind Speed: 8km/h Aug Wind Speed: 9km/h Sep Wind Speed: 10km/h Oct Wind Speed: 12km/h Nov Wind Speed: 12km/h Dec Wind Speed: 13km/h
Wind Speed

Laplace is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/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 14km/h in winter, 13km/h in spring, 9km/h in summer, 11km/h in autumn.

Seasons

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

7 days until Autumn

It is currently summer in Laplace, which began on June 21, 2026. Laplace 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 August at around 32°C, while the coldest stretch bottoms out in January near 9°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 15 to 29°C. Rainfall is heavy, totalling around 344mm across the season with a monthly average of 115mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 552mm across the season with a monthly average of 184mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 14 to 30°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 9 to 20°C. Rainfall is heavy, totalling around 333mm across the season with a monthly average of 111mm. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 12°
Feb 15°
Mar 18°
Apr 21°
May 25°
Jun 28°
Jul 28°
Aug 28°
Sep 27°
Oct 23°
Nov 17°
Dec 14°

The best time to visit Laplace is during October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 91mm per month. By contrast, August can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 9°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 Laplace 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. 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
9 °C
17 °C
14 km/h
115 mm
2 cm
Feb
12 °C
20 °C
14 km/h
110 mm
0 cm
Mar
15 °C
23 °C
14 km/h
110 mm
0 cm
Apr
17 °C
25 °C
14 km/h
105 mm
0 cm
May
22 °C
29 °C
12 km/h
129 mm
0 cm
Jun
25 °C
31 °C
10 km/h
163 mm
0 cm
Jul
26 °C
31 °C
8 km/h
180 mm
0 cm
Aug
26 °C
32 °C
9 km/h
208 mm
0 cm
Sep Current
24 °C
30 °C
10 km/h
138 mm
0 cm
Oct
19 °C
27 °C
12 km/h
96 mm
0 cm
Nov
14 °C
22 °C
12 km/h
86 mm
0 cm
Dec
11 °C
19 °C
13 km/h
108 mm
0 cm
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