ClimateAverages

Bangor Climate

Northern Ireland, United Kingdom · population 60,385 · 133 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
11.9°C
Warmest month · August
17.2°C
Typical daytime high
Coldest month · February
2.7°C
Typical overnight low

Bangor has an average annual daytime high of 11.9°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 17.2°C, and its coldest is February, with overnight lows near 2.7°C.

Month by month averages

MonthAvg highAvg low
January6.8°C2.8°C
February6.9°C2.7°CColdest
March8.6°C3.6°C
April10.8°C4.8°C
May13.5°C7.3°C
June16.1°C9.8°C
July17.1°C11.3°C
August17.2°C11.5°CWarmest
September15.6°C10.3°C
October13.0°C8.2°C
November9.5°C5.0°C
December7.8°C3.7°C

Temperature range across the year

1°5°10°15°19°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2025
+1.7°C vs. 1951–1980
Coldest year on record
1783
-1.8°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Bangor getting hotter?

Since 1900, Bangor's average temperature has risen by +1.9°C. Compared to the earliest station records that begin in 1750, warming totals +2.4°C.

8.8°9.4°10.0°10.6°11.2°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
June to September

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Bangor?

Bangor's average annual daytime high is 11.9°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 17.2°C, and the coldest is February, with lows averaging 2.7°C.

What is the warmest month in Bangor?

August is the warmest month in Bangor, with typical daytime highs of 17.2°C.

What is the hottest year on record for Bangor?

2025 is the hottest year on record for Bangor, running +1.7°C above the 1951 to 1980 baseline.

Is Bangor getting hotter?

Yes. Since 1900, Bangor has warmed by roughly +1.9°C.

When is the best time to visit Bangor?

June to September typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.