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Has the climate in Vanadzor changed?

Vanadzor has warmed about 2.1°F since 1973.

About 0.9°F per decade, measured from Vanadzor's official daily weather records, 1973–2025. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Vanadzor's climate has warmed faster than most other cities in Armenia.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Freezing nights
105 more nights
1970s
6 / yr
Recent
111 / yr
Colder winters — more frosts
Average temperature
+4.7°F
1970s
44.1°F
Recent
48.8°F
A steady upward drift
Hot days above 90°F
3 more days
1970s
0 / yr
Recent
3 / yr
More days of serious heat
Rainy days
49 fewer days
1970s
128 / yr
Recent
79 / yr
Drier on average

Vanadzor's temperature, year by year

Average temperature for each year from 1973 to 2025.

37°39°41°43°45°47°49°51°1973: 48.6°F1974: 38.2°F1975: 47.9°F1976: 46.3°F1984: 38.4°F1985: 45.5°F1986: 43.6°F1987: 49.1°F1988: 41.2°F1989: 48.0°F1990: 46.2°F1991: 45.5°F2015: 47.4°F2016: 46.6°F2017: 47.5°F2018: 48.9°F2019: 47.9°F2020: 47.4°F2021: 49.0°F2022: 48.7°F2023: 50.3°F2024: 49.8°F2025: 48.6°Flong-term trend1973199020202025
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

In day-to-day terms, that long-term shift shows up as about 73 more freezing nights a year and about 3 more days above 90°F compared with the 1970s.

When in the year the change shows up

How much warmer each month is now than in the 1970s. Useful if you garden or care about a particular season — otherwise the headline above already has the answer.

0.0°+0.5°+1.0°+1.5°+2.0°+2.5°+3.0°+3.5°+4.0°+4.5°+5.0°+5.5°+6.0°+6.5°+7.0°+7.5°+8.0°+8.5°January: +7.3°F+7.3JFebruary: +7.4°F+7.4FMarch: +8.2°F+8.2MApril: +6.1°F+6.1AMay: +6.2°F+6.2MJune: +7.3°F+7.3JJuly: +7.1°F+7.1JAugust: +8.2°F+8.2ASeptember: +7.0°F+7.0SOctober: +6.5°F+6.5ONovember: +6.5°F+6.5NDecember: +7.7°F+7.7D

August has warmed the most — about 8.2°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

How we build these numbers →