Monthly climate in Nizwa, Oman

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Nizwa features a hot desert climate (BWh). Temperatures typically range between 19 °C (66 °F) and 35 °C (95 °F) through the year, but rarely can drop to 6 °C (44 °F) or can rise to as high as 46 °C (114 °F). The average annual precipitation amounts to about 102 mm (4.0 inches) and receives 19 rainy days on the 1 mm (0.04 inches) threshold annually. Nizwa enjoys an average of 3947 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 30 minutes per day.

Monthly average temperatures in Nizwa, Oman

The warmest months in Nizwa are June, July and August, with daily mean temperatures ranging from 33 to 35 °C (92 - 95 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 19 to 21 °C (66 - 70 °F) throughout the day. On average each year, Nizwa experiences 281 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nizwa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)
31°C
(88°F)
37°C
(99°F)
38°C
(100°F)
46°C
(114°F)
45°C
(113°F)
43°C
(109°F)
43°C
(109°F)
40°C
(104°F)
38°C
(100°F)
32°C
(91°F)
31°C
(88°F)
Mean maximum28°C
(83°F)
30°C
(86°F)
34°C
(93°F)
37°C
(99°F)
41°C
(106°F)
42°C
(108°F)
42°C
(107°F)
41°C
(107°F)
39°C
(103°F)
36°C
(98°F)
31°C
(88°F)
29°C
(84°F)
Average high24°C
(75°F)
26°C
(79°F)
30°C
(85°F)
34°C
(94°F)
37°C
(98°F)
40°C
(105°F)
38°C
(101°F)
38°C
(101°F)
36°C
(98°F)
33°C
(91°F)
28°C
(83°F)
25°C
(77°F)
Daily mean19°C
(66°F)
21°C
(70°F)
24°C
(76°F)
29°C
(85°F)
32°C
(89°F)
35°C
(95°F)
33°C
(92°F)
33°C
(92°F)
31°C
(89°F)
28°C
(83°F)
23°C
(74°F)
20°C
(68°F)
Average low14°C
(57°F)
15°C
(60°F)
19°C
(66°F)
24°C
(75°F)
26°C
(80°F)
30°C
(86°F)
28°C
(84°F)
28°C
(83°F)
26°C
(80°F)
23°C
(74°F)
18°C
(66°F)
15°C
(59°F)
Mean minimum9°C
(49°F)
10°C
(51°F)
15°C
(59°F)
19°C
(67°F)
23°C
(74°F)
26°C
(79°F)
24°C
(76°F)
24°C
(76°F)
24°C
(75°F)
20°C
(68°F)
15°C
(60°F)
12°C
(55°F)
Minimum7°C
(45°F)
6°C
(44°F)
12°C
(53°F)
16°C
(62°F)
21°C
(70°F)
25°C
(77°F)
23°C
(74°F)
23°C
(74°F)
23°C
(73°F)
18°C
(65°F)
14°C
(57°F)
11°C
(53°F)

Compare climate in Nizwa with other places

Compare temperature, precipitation, sunshine, UV index in Nizwa, Oman with other places around the world.

Monthly average precipitation in Nizwa, Oman

Nizwa usually has the most precipitation in May, July and October, with an average of 3 rainy days and 18 mm (0.7 inches) of precipitation per month. The driest months in Nizwa are February, September and November. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nizwa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)7 (0.3)3 (0.1)7 (0.3)7 (0.3)14 (0.5)4 (0.1)21 (0.8)10 (0.4)3 (0.1)18 (0.7)3 (0.1)5 (0.2)
Average precipitation days (≥ 1 mm)101131630201

Monthly sunshine hours in Nizwa, Oman

The sunniest months in Nizwa are May, June and July, when the sun shines an average of 11 hours 49 minutes a day. Least sunny months in Nizwa: January, February and November receive an average of 9 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nizwa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253295339342366363358343331331310311
Mean daily daylight hours10h 53m11h 22m12h 1m12h 40m13h 14m13h 30m13h 21m12h 52m12h 14m11h 35m11h 1m10h 44m

Solar UV radiation in Nizwa, Oman

Nizwa experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Nizwa UV Index data.

Average daily maximum UV levels by month for Nizwa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79121213121312121087