Climate for Station: Napoleon, North Dakota, United States

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Napoleon

North Dakota, United States of America

2026-02-28 20:28

-15.8°C

Feels -21.9°C

H: -11.5°C / L: -19.2°C

Precip: 0mm | Wind: 10.1 kph

▼ 9.1°C vs historical high

Overcast

2026-03-01

H: -4.1°C

L: -20.4°C

Rain: 0%

Rainfall: 0mm

Wind: 20.5kph

▼ 2.0°C

2026-03-02

H: 6.4°C

L: -9.8°C

Rain: 0%

Rainfall: 0mm

Wind: 19.4kph

▲ 8.8°C

2026-03-03

H: -1.4°C

L: -6°C

Rain: 0%

Rainfall: 0mm

Wind: 12.2kph

▲ 1.3°C

2026-03-04

H: 10.9°C

L: 0.5°C

Rain: 0%

Rainfall: 0mm

Wind: 22kph

▲ 12.9°C

2026-03-05

H: 2.1°C

L: -5.8°C

Rain: 62%

Rainfall: 0.87mm

Wind: 29.5kph

▲ 4.3°C

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Climate Analysis & Overview

Napoleon, North Dakota, finds itself in a unique climatic position, balancing slight all-time warming with recent cooling trends. The area is experiencing more evenly distributed precipitation, marking a shift in local weather patterns that could align with broader regional climate goals.

Continental Climate Dynamics

Napoleon, located in Logan County, North Dakota, is classified under the Köppen climate system as having a humid continental climate. This classification is characterised by large seasonal temperature differences, with warm to hot summers and cold winters. The flat plains of the region, devoid of significant geographical barriers like mountains or large bodies of water, allow for the free movement of air masses, contributing to its distinct climatic traits.

Temperature Trends: A Tale of Two Intervals

Over the last decade, Napoleon has experienced a cooling trend, with high temperatures decreasing by 0.86°C (1.55°F) and lows by 1.51°C (2.71°F). This recent cooling contrasts with the all-time temperature trends, where highs have shown a slight warming of 0.05°C (0.09°F) and lows have increased by 0.24°C (0.43°F). This divergence suggests a short-term variation that could be influenced by natural climatic cycles or recent weather events, while the long-term data indicates a gradual warming consistent with global trends.

Precipitation Patterns: A Move Towards Evenness

The Precipitation Concentration Index (PCI) for Napoleon has decreased from a baseline of 15.08 to a current value of 12.14. This indicates a shift towards more evenly distributed rainfall events, as opposed to concentrated bursts. Such a change can have significant implications for agriculture and water management in the region, potentially aligning with the United States' goals for sustainable land use and climate adaptation.

Record Extremes: A Climate of Contrasts

Napoleon's climate is marked by extreme temperature records, with a maximum of 47.8°C (118.0°F) and a minimum of -44.4°C (-47.9°F). These records highlight the vast temperature range experienced in the region, a hallmark of its continental climate. Such extremes pose challenges for local infrastructure and agriculture, necessitating robust adaptation strategies.

Regional Implications and Climate Goals

The observed climatic changes in Napoleon are part of a broader narrative of climate variability in the United States. The recent cooling trend, coupled with more evenly distributed precipitation, may offer temporary relief from some climate-related stresses. However, the all-time warming trend underscores the importance of continued efforts towards achieving regional climate goals, such as reducing greenhouse gas emissions and enhancing resilience to climate impacts.

Station Statistics

10-Year Trend

High: -0.86 °C/decade

Low: -1.51 °C/decade

Rain: +0.30 mm/decade

25-Year Trend

High: +0.14 °C/decade

Low: +0.26 °C/decade

Rain: +0.09 mm/decade

50-Year Trend

High: +0.10 °C/decade

Low: +0.23 °C/decade

Rain: +0.05 mm/decade

All-Time Trend

High: +0.05 °C/decade

Low: +0.24 °C/decade

Rain: +0.03 mm/decade

Percentage Above-Average Days

Last 12 Months: 57.3%

This Year: 25.5%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 12.1

Historical Average: 15.1

Percentile Rank of Last 12 Months ℹ️

High: 54^th percentile

Low: 72^nd percentile

Rain: 93^rd percentile

Change in Variance ℹ️

High: -12.9%

Low: -5.5%

Intraday: -22.8%

Data Coverage

83.3%

First Year of Data

1893

Station Location

Historical Weather Records

	Max High	Avg High	Min High	Max Avg	Avg Avg	Min Avg	Max Low	Avg Low	Min Low	Max Precipitation	Avg Precipitation	Max Snow	Avg Snow
Record	47.8 °C	—	-35.0 °C	33.9 °C	—	-33.1 °C	30.6 °C	—	-44.4 °C	106.7 mm	—	2591.0 mm	—
January	18.9 °C	-7.4 °C	-35.0 °C	4.1 °C	-10.3 °C	-32.2 °C	7.8 °C	-18.7 °C	-43.3 °C	19.1 mm	0.4 mm	267.0 mm	5.4 mm
February	33.3 °C	-5.1 °C	-32.2 °C	6.8 °C	-7.7 °C	-33.1 °C	21.1 °C	-16.8 °C	-43.9 °C	19.1 mm	0.4 mm	2565.0 mm	5.7 mm
March	30.6 °C	2.1 °C	-23.9 °C	15.9 °C	-0.9 °C	-24.2 °C	11.1 °C	-9.7 °C	-36.7 °C	31.0 mm	0.7 mm	348.0 mm	6.4 mm
April	34.4 °C	12.2 °C	-10.6 °C	21.6 °C	5.8 °C	-14.0 °C	16.7 °C	-1.6 °C	-23.9 °C	106.7 mm	1.3 mm	381.0 mm	3.9 mm
May	41.7 °C	19.5 °C	-2.8 °C	25.4 °C	13.3 °C	0.0 °C	23.3 °C	4.9 °C	-13.3 °C	59.7 mm	2.1 mm	203.0 mm	0.7 mm
June	42.2 °C	24.5 °C	5.6 °C	33.9 °C	19.1 °C	5.1 °C	26.1 °C	10.7 °C	-3.9 °C	91.9 mm	2.9 mm	0.0 mm	0.0 mm
July	47.8 °C	28.6 °C	11.7 °C	33.2 °C	22.7 °C	12.6 °C	30.6 °C	13.4 °C	-3.9 °C	104.1 mm	2.2 mm	0.0 mm	0.0 mm
August	43.9 °C	27.9 °C	10.0 °C	30.5 °C	21.4 °C	11.1 °C	25.0 °C	12.1 °C	-3.9 °C	91.9 mm	1.8 mm	0.0 mm	0.0 mm
September	41.7 °C	22.0 °C	1.7 °C	30.2 °C	15.5 °C	0.9 °C	22.2 °C	6.8 °C	-12.2 °C	81.3 mm	1.4 mm	203.0 mm	0.2 mm
October	35.0 °C	14.3 °C	-10.6 °C	22.4 °C	6.9 °C	-15.1 °C	21.7 °C	0.1 °C	-22.2 °C	55.9 mm	1.0 mm	356.0 mm	1.4 mm
November	24.4 °C	3.6 °C	-24.4 °C	15.7 °C	-1.6 °C	-21.8 °C	11.9 °C	-8.0 °C	-32.8 °C	33.3 mm	0.5 mm	2591.0 mm	5.3 mm
December	21.1 °C	-4.3 °C	-30.0 °C	5.2 °C	-8.3 °C	-32.0 °C	6.1 °C	-15.1 °C	-44.4 °C	21.6 mm	0.4 mm	2553.0 mm	6.3 mm