Climate-Zone.com

HomeCitiesMauritaniaAtarTools › Climate trends

Has the climate in Atar changed?

Atar has warmed about 1°F between 1980 and 2009.

About 0.8°F per decade, measured from Atar's official daily weather records, 1980–2009. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

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

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
about the same
1970s
0 / yr
Recent
0 / yr
Winters about as cold as before
Average temperature
+0.7°F
1970s
84.1°F
Recent
84.8°F
A steady upward drift
Hot days above 90°F
5 fewer days
1970s
206 / yr
Recent
201 / yr
Slightly fewer hot days
Rainy days
about the same
1970s
6 / yr
Recent
8 / yr
Rainfall pattern about the same

Atar's temperature, year by year

Average temperature for each year from 1980 to 2009.

81°83°85°87°1980: 83.1°F1981: 83.7°F1982: 83.2°F1983: 86.3°F1984: 82.9°F1985: 83.4°F1986: 82.6°F1987: 85.9°F1988: 84.0°F1989: 84.2°F1990: 85.2°F1992: 84.1°F2009: 85.8°Flong-term trend198019902009
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 52 fewer 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.

-2.5°-2.0°-1.5°-1.0°-0.5°0.0°+0.5°+1.0°+1.5°+2.0°+2.5°+3.0°+3.5°+4.0°+4.5°+5.0°January: -1.9°F-1.9JFebruary: -0.2°F-0.2FMarch: +0.0°F+0.0MApril: +2.1°F+2.1AMay: +2.9°F+2.9MSeptember: +0.7°F+0.7SOctober: -2.3°F-2.3ONovember: +0.0°F+0.0NDecember: +4.7°F+4.7D

December has warmed the most — about 4.7°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 →