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Has the climate in Nizwá changed?

Nizwá has warmed about 0.7°F since 2005.

About 0.3°F per decade, measured from Nizwá's official daily weather records, 2005–2025. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Nizwá's climate has warmed more slowly than most other cities in Oman.

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
about the same
1970s
83.8°F
Recent
84.0°F
Year-round temperature has barely moved
Hot days above 90°F
36 fewer days
1970s
240 / yr
Recent
204 / yr
Slightly fewer hot days
Rainy days
3 fewer days
1970s
24 / yr
Recent
21 / yr
Drier on average

Nizwá's temperature, year by year

Average temperature for each year from 2005 to 2025.

81°83°85°87°2005: 83.9°F2006: 83.2°F2007: 84.0°F2008: 83.1°F2009: 84.2°F2010: 84.0°F2011: 83.5°F2012: 84.3°F2013: 82.7°F2014: 82.5°F2015: 85.4°F2016: 85.3°F2018: 85.3°F2019: 83.7°F2020: 83.2°F2021: 84.3°F2022: 84.1°F2023: 82.9°F2024: 84.9°F2025: 84.6°Flong-term trend2005201020202025
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.

Methodology & sources

Temperature — 1991–2020 normals computed from 12 years of daily observations at Nizwa, a weather station, about 8 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →