Climate for Station: Rochambeau, French Guiana, French Guiana [France]

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Camp Rochambeau

, French Guiana

2026-02-28 23:30

25.3°C

Feels 28°C

H: 28°C / L: 22°C

Precip: 0.07mm | Wind: 11.9 kph

▼ 1.0°C vs historical high

Patchy rain nearby

2026-03-01

H: 27.9°C

L: 22.5°C

Rain: 92%

Rainfall: 2.42mm

Wind: 15.1kph

▼ 1.3°C

2026-03-02

H: 27.9°C

L: 22.6°C

Rain: 84%

Rainfall: 3.19mm

Wind: 15.1kph

▼ 1.5°C

2026-03-03

H: 27.2°C

L: 22.7°C

Rain: 88%

Rainfall: 5.99mm

Wind: 16.6kph

▼ 2.2°C

2026-03-04

H: 26.5°C

L: 22.4°C

Rain: 89%

Rainfall: 14.1mm

Wind: 14.4kph

▼ 2.8°C

2026-03-05

H: 26.4°C

L: 22.8°C

Rain: 61%

Rainfall: 10.78mm

Wind: 13.3kph

▼ 2.9°C

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Climate Analysis & Overview

Rochambeau, located in the tropical climate zone of French Guiana, is experiencing nuanced thermal shifts. While long-term trends indicate a slight warming, recent data suggests a cooling in daily highs. The precipitation pattern has become more evenly distributed, reflecting a subtle yet significant climatic evolution.

Tropical Climate Dynamics

Rochambeau, situated in the lush region of French Guiana, is characterised by a tropical rainforest climate (Af) according to the Köppen classification. This climate is marked by consistent temperatures and high humidity, fostered by its proximity to the Atlantic Ocean and the Amazonian rainforest. The local geography, with its dense forests and river systems, plays a crucial role in moderating temperature extremes and distributing precipitation.

Temperature Trends: A Complex Picture

The all-time temperature trends for Rochambeau reveal a slight warming, with daily highs showing an increase of 0.19°C (0.34°F) and lows rising by 0.23°C (0.41°F). This suggests a gradual warming over the decades. However, the 10-year trends paint a different picture, with daily highs experiencing a cooling of 0.20°C (0.36°F), while lows have risen significantly by 0.98°C (1.76°F). This divergence indicates a recent shift in thermal behaviour, possibly influenced by regional climatic variations or global climate change dynamics.

Precipitation Patterns: A Subtle Shift

The Precipitation Concentration Index (PCI) for Rochambeau has shown a slight decrease from a baseline of 13.43 to a current value of 12.67. This indicates a more even distribution of rainfall events, a subtle shift that could impact local ecosystems and water management practices. While the PCI values are not extreme, the trend towards more evenly distributed precipitation suggests a potential adjustment in the region's hydrological cycle.

Record Extremes: Temperature Benchmarks

Rochambeau's temperature records highlight the region's climatic boundaries, with an all-time high of 36.2°C (97.2°F) and a low of 17.2°C (63.0°F). These extremes underscore the inherent variability within the tropical climate, influenced by both natural factors and anthropogenic impacts.

Regional Climate Goals and Context

French Guiana, as an overseas department of France, aligns with the broader French and European Union climate objectives, focusing on sustainability and resilience. Recent weather events, such as increased rainfall intensity or prolonged dry spells, have prompted local initiatives to enhance climate adaptability. Rochambeau's evolving climate profile provides critical insights into these broader regional efforts, highlighting the importance of continuous monitoring and adaptive strategies in response to climatic shifts.

Station Statistics

10-Year Trend

High: -0.20 °C/decade

Low: +0.98 °C/decade

Rain: -0.29 mm/decade

25-Year Trend

High: +0.15 °C/decade

Low: +0.48 °C/decade

Rain: -0.14 mm/decade

50-Year Trend

High: +0.28 °C/decade

Low: +0.28 °C/decade

Rain: -0.34 mm/decade

All-Time Trend

High: +0.19 °C/decade

Low: +0.23 °C/decade

Rain: -0.43 mm/decade

Percentage Above-Average Days

Last 12 Months: 52.9%

This Year: 59.6%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 12.7

Historical Average: 13.4

Percentile Rank of Last 12 Months ℹ️

High: 70^th percentile

Low: 97^th percentile

Rain: 4^th percentile

Change in Variance ℹ️

High: +18.7%

Low: +25.7%

Intraday: +27.1%

Data Coverage

87.0%

First Year of Data

1943

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	36.2 °C	—	23.6 °C	30.6 °C	—	19.7 °C	27.4 °C	—	17.2 °C	203.0 mm	—	—	—
January	32.5 °C	29.2 °C	23.7 °C	29.1 °C	25.7 °C	19.9 °C	26.6 °C	23.1 °C	17.4 °C	171.0 mm	11.9 mm	—	—
February	32.3 °C	29.1 °C	23.6 °C	28.8 °C	25.8 °C	19.9 °C	26.6 °C	23.2 °C	18.9 °C	182.0 mm	10.8 mm	—	—
March	34.2 °C	29.5 °C	24.0 °C	29.1 °C	26.1 °C	21.2 °C	27.0 °C	23.3 °C	18.5 °C	203.0 mm	10.3 mm	—	—
April	33.0 °C	29.8 °C	23.9 °C	29.6 °C	26.2 °C	20.2 °C	27.0 °C	23.5 °C	19.0 °C	126.0 mm	13.0 mm	—	—
May	33.8 °C	29.7 °C	23.8 °C	29.8 °C	26.0 °C	19.7 °C	26.9 °C	23.4 °C	18.8 °C	164.0 mm	17.1 mm	—	—
June	34.4 °C	30.1 °C	23.8 °C	29.6 °C	25.7 °C	20.6 °C	26.3 °C	22.8 °C	18.9 °C	166.0 mm	12.8 mm	—	—
July	34.0 °C	30.7 °C	25.2 °C	30.3 °C	25.8 °C	20.4 °C	26.1 °C	22.3 °C	19.2 °C	135.0 mm	7.3 mm	—	—
August	34.5 °C	31.4 °C	26.3 °C	29.9 °C	26.4 °C	21.5 °C	25.7 °C	22.2 °C	19.3 °C	71.0 mm	4.4 mm	—	—
September	35.2 °C	32.0 °C	27.0 °C	30.3 °C	26.9 °C	23.0 °C	26.0 °C	22.1 °C	18.7 °C	61.0 mm	2.0 mm	—	—
October	36.2 °C	32.2 °C	27.0 °C	30.6 °C	27.0 °C	22.8 °C	27.4 °C	22.1 °C	18.6 °C	55.0 mm	2.1 mm	—	—
November	34.6 °C	31.4 °C	26.4 °C	30.1 °C	26.6 °C	22.3 °C	26.7 °C	22.4 °C	17.2 °C	88.0 mm	4.6 mm	—	—
December	34.1 °C	30.0 °C	24.2 °C	29.4 °C	26.0 °C	20.6 °C	26.4 °C	22.9 °C	17.7 °C	119.0 mm	9.9 mm	—	—