ClimateAverages

Terni Climate

Umbria, Italy · population 97,050 · 214 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
18.4°C
Warmest month · July
29.9°C
Typical daytime high
Coldest month · January
0.2°C
Typical overnight low

Terni has an average annual daytime high of 18.4°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 29.9°C, and its coldest is January, with overnight lows near 0.2°C.

Month by month averages

MonthAvg highAvg low
January8.0°C0.2°CColdest
February10.0°C1.1°C
March13.1°C2.9°C
April16.6°C5.3°C
May21.5°C9.3°C
June26.2°C13.1°C
July29.9°C15.4°CWarmest
August29.6°C15.5°C
September25.2°C12.7°C
October18.9°C8.4°C
November13.3°C4.9°C
December9.1°C1.6°C

Temperature range across the year

-2°7°15°23°32°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.6°C vs. 1951–1980
Coldest year on record
1851
-1.7°C vs. 1951–1980

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

Is Terni getting hotter?

Since 1900, Terni's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1750, warming totals +2.7°C.

12.2°13.0°13.7°14.4°15.1°1951–1980 baseline190019251950197520002025

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

Best time to visit
April to October

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

FAQ

What is the average temperature in Terni?

Terni's average annual daytime high is 18.4°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 29.9°C, and the coldest is January, with lows averaging 0.2°C.

What is the warmest month in Terni?

July is the warmest month in Terni, with typical daytime highs of 29.9°C.

What is the hottest year on record for Terni?

2023 is the hottest year on record for Terni, running +2.6°C above the 1951 to 1980 baseline.

Is Terni getting hotter?

Yes. Since 1900, Terni has warmed by roughly +2.4°C.

When is the best time to visit Terni?

April to October 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.