Climate for Station: Andersen Afb Guam, Guam, Guam [United States]

Salisbury Junction

Guam, United States of America

2026-01-22 11:09

27.1°C

Feels 31.1°C

H: 28.2°C / L: 25.3°C

Precip: 0.17mm | Wind: 27 kph

▲ 0.4°C vs historical high

Moderate or heavy rain with thunder

2026-01-23

H: 28.6°C

L: 27.3°C

Rain: 86%

Rainfall: 3.17mm

Wind: 30.6kph

▲ 0.7°C

2026-01-24

H: 28.8°C

L: 27.1°C

Rain: 88%

Rainfall: 2.48mm

Wind: 26.6kph

▲ 0.6°C

2026-01-25

H: 28.8°C

L: 26.7°C

Rain: 82%

Rainfall: 4.7mm

Wind: 12.6kph

▲ 0.8°C

2026-01-26

H: 28°C

L: 26°C

Rain: 85%

Rainfall: 17.33mm

Wind: 24.5kph

▼ 0.1°C

2026-01-27

H: 27.6°C

L: 25.8°C

Rain: 82%

Rainfall: 9.8mm

Wind: 22kph

▼ 0.4°C

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Station Statistics

10-Year Trend

High: +0.22 °C/decade

Low: +0.59 °C/decade

Rain: +3.79 mm/decade

25-Year Trend

High: -0.12 °C/decade

Low: +0.09 °C/decade

Rain: +0.84 mm/decade

50-Year Trend

High: +0.17 °C/decade

Low: +0.01 °C/decade

Rain: +0.25 mm/decade

All-Time Trend

High: +0.13 °C/decade

Low: +0.10 °C/decade

Rain: +0.17 mm/decade

Percentage Above-Average Days

Last 12 Months: 71.2%

This Year: 75.0%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 9.3

Historical Average: 14.5

Percentile Rank of Last 12 Months ℹ️

High: 93^rd percentile

Low: 97^th percentile

Rain: 81^st percentile

Change in Variance ℹ️

High: -11.0%

Low: -8.1%

Intraday: -6.3%

Data Coverage

89.5%

First Year of Data

2018

Station Location

Weather Records

	Max High	Avg High	Min High	Max Avg	Avg Avg	Min Avg	Max Low	Avg Low	Min Low	Max Precipitation	Avg Precipitation	Avg Snow
Record	34.4 °C	—	22.8 °C	30.1 °C	—	22.7 °C	30.0 °C	—	15.1 °C	464.8 mm	—	—
January	31.1 °C	28.0 °C	22.8 °C	28.6 °C	26.4 °C	23.2 °C	27.6 °C	24.1 °C	15.6 °C	110.0 mm	4.3 mm	0.0 mm
February	33.9 °C	28.1 °C	23.9 °C	28.3 °C	26.2 °C	22.9 °C	26.7 °C	23.9 °C	16.7 °C	200.2 mm	3.7 mm	0.0 mm
March	33.0 °C	28.4 °C	23.9 °C	28.9 °C	26.6 °C	22.7 °C	27.2 °C	24.1 °C	15.1 °C	71.1 mm	2.8 mm	0.0 mm
April	32.8 °C	29.0 °C	24.4 °C	29.4 °C	27.2 °C	24.6 °C	28.9 °C	24.6 °C	20.6 °C	227.6 mm	3.3 mm	0.0 mm
May	34.4 °C	29.4 °C	25.0 °C	30.0 °C	27.7 °C	24.9 °C	30.0 °C	25.2 °C	21.1 °C	242.1 mm	4.1 mm	0.0 mm
June	33.9 °C	29.7 °C	25.0 °C	30.1 °C	27.9 °C	24.7 °C	28.3 °C	25.3 °C	21.1 °C	98.0 mm	5.4 mm	0.0 mm
July	33.4 °C	29.4 °C	24.4 °C	29.7 °C	27.5 °C	24.2 °C	28.9 °C	24.9 °C	20.0 °C	131.3 mm	9.3 mm	0.0 mm
August	34.1 °C	29.3 °C	22.8 °C	29.4 °C	27.3 °C	24.1 °C	27.8 °C	24.6 °C	20.0 °C	244.9 mm	12.6 mm	0.0 mm
September	33.9 °C	29.4 °C	24.4 °C	29.6 °C	27.2 °C	24.0 °C	28.9 °C	24.6 °C	19.8 °C	238.8 mm	12.6 mm	0.0 mm
October	33.9 °C	29.2 °C	23.9 °C	29.7 °C	27.3 °C	23.7 °C	29.4 °C	24.8 °C	20.0 °C	464.8 mm	11.2 mm	0.0 mm
November	32.8 °C	29.1 °C	25.6 °C	29.4 °C	27.4 °C	24.9 °C	28.4 °C	25.1 °C	21.1 °C	154.2 mm	7.5 mm	0.0 mm
December	32.2 °C	28.6 °C	25.0 °C	29.4 °C	27.0 °C	24.3 °C	28.9 °C	24.7 °C	17.8 °C	167.4 mm	4.8 mm	0.0 mm

Plots

Current Year Climate Trends vs Historical

Current Year Climate Trends vs Historical - Average Temperature this Year

Current Year Climate Trends vs Historical - Rainfall this Year

Max Temperature this Year | 1 of 4

Climate 12-Month Moving Averages

Climate 12-Month Moving Averages - Average Temperature 12-Month MA

Climate 12-Month Moving Averages - Rainfall 12-Month MA

Max Temperature 12-Month MA | 1 of 4

Daily Average Temperatures Throughout the Year

Daily Average Temperatures Throughout the Year - Average Temperature Throughout Year

Average Max Temperature Throughout Year | 1 of 3