Best time to visit Nizwa

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
689101110999876
On the sunniest 1 in 10 days, UV reaches this — and even higher
911121211116
PM2.5 air quality · on a typical day (?)
202422252529493920151416
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
324240464446685729222125
January 9/10 feels 23°C · HCI 93/100
Day 25° · Night 14° · cools 11° at night 35% humidity 15 km/h wind 2 rain days (24h) 239h sun
Thermal 8
Sky 10
Rain 10
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Tours in Nizwa

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Nizwa).

  1. 1Private Car Tour from Oman Across Ages Museum to Jabreen Castle5.00★ (1)6hfrom $165
  2. 2Old Nizwa authentic walks4.85★ (26)4hfrom $74
  3. 3Heritage private Tour by classic carts4.94★ (52)35mfrom $11
  4. 4Explore Al Hoota Cave, Misfat Al Abriyeen and Bait Al Safa | 4 Hours Trip5.00★ (1)from $100
  5. 53 Hour Private Tour in Birkat Al Mouz5.00★ (1)from $65
  6. 6Jabal Shams (Grand Canyon) Tour5.00★ (2)8hfrom $347

Last refreshed 2026-06-14.

Similar climatesMuscat98% · Abu Dhabi94% · Doha91%

Other destinations with the most-alike year-round climate to Nizwa (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Nizwa's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan 14–25 23 2 24 12.0 35% 15 239 6 Quiet 9
Feb 17–29 27 1 11 11.0 28% 16 229 8 Quiet 9
Mar 20–32 29 2 22 11.0 24% 19 251 9 Quiet 8
Apr 23–36 33 2 20 10.0 20% 22 257 10 Quiet 5
May 27–40 38 1 3 3.0 16% 22 274 11 Quiet 3
Jun 28–43 42 0 0 19% 22 263 10 Quiet 2
Jul 28–40 42 3 35 11.7 32% 21 235 9 Quiet 2
Aug 27–41 41 1 5 5.0 27% 20 251 9 Quiet 2
Sep 25–39 39 0 1 25% 20 263 9 Quiet 2
Oct 23–35 34 1 8 8.0 22% 18 254 8 Quiet 5
Nov 20–31 29 0 3 27% 15 230 7 Peak 8
Dec 16–27 25 0 9 33% 13 231 6 Peak 9

UV Index in Nizwa by Month

UV index in Nizwa peaks at 11 (very high) in May, dropping to 6 (moderate) in December. March, April, May, June, July, August, September, October reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

Best months in detail

January

9/10

14–25°C (feels 23°C) · 2 rain days (24h) · 239 sun hours · 35% humidity · Quiet crowd · UV 6 (high)

December

9/10

16–27°C (feels 25°C) · 0 rain days (9h) · 231 sun hours · 33% humidity · Peak crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 6 (high)

February

9/10

17–29°C (feels 27°C) · 1 rain days (11h) · 229 sun hours · 28% humidity · Quiet crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)

Every month

Show the other 9 months in detail

March

8/10

20–32°C (feels 29°C) · 2 rain days (22h) · 251 sun hours · 24% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 11 (extreme)

April

5/10

23–36°C (feels 33°C) · 2 rain days (20h) · 257 sun hours · 20% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 12 (extreme)

May

3/10

27–40°C (feels 38°C) · 1 rain days (3h) · 274 sun hours · 16% humidity · Quiet crowd · UV 11 (very high) · sunniest 1 in 10 days reach 12 (extreme)

June

2/10

28–43°C (feels 42°C) · 0 rain days (0h) · 263 sun hours · 19% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 11 (extreme)

July

2/10

28–40°C (feels 42°C) · 3 rain days (35h) · 235 sun hours · 32% humidity · Quiet crowd · UV 9 (very high)

August

2/10

27–41°C · 1 rain days (5h) · 251 sun hours · 27% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 11 (very high)

September

2/10

25–39°C · 0 rain days (1h) · 263 sun hours · 25% humidity · Quiet crowd · UV 9 (very high)

October

5/10

23–35°C (feels 34°C) · 1 rain days (8h) · 254 sun hours · 22% humidity · Quiet crowd · UV 8 (very high)

November

8/10

20–31°C (feels 29°C) · 0 rain days (3h) · 230 sun hours · 27% humidity · Peak crowd · UV 7 (high)

Frequently asked questions about visiting Nizwa

When is the best time to visit Nizwa?

January is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 14–25°C (2 rainy days). The top three months by score are January, December, February.

What is the worst time to visit Nizwa?

August is the lowest-scoring month (2/10, capped by extreme heat). Typical conditions: 27–41°C (1 rainy day).

Is Nizwa too hot in summer?

7 months (April, May, June, July, August, September, October) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.

When are crowds lowest in Nizwa?

Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in December. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

Which months in Nizwa have good weather but fewer tourists?

January (climate 9/10, crowd index 0) and February (climate 9/10, crowd index 0) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Nizwa by month?

UV peaks at 11 (very high) in May and is lowest in December at 6 (moderate). Monthly peak values: Jan 6, Feb 8, Mar 9, Apr 10, May 11, Jun 10, Jul 9, Aug 9, Sep 9, Oct 8, Nov 7, Dec 6. March, April, May, June, July, August, September, October reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

What is the UV index in Nizwa in May?

May is the peak UV month in Nizwa, with a daily-peak UV index of 11 (very high). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).

How high can UV get in Nizwa on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. May is the worst case: typical days average UV 11 (very high), but the top 10% of days reach UV 12 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: February, March, April, May, June, August, December. Plan sun protection for the worst case, not the average.

Is air quality in Nizwa bad for travelers?

PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 12 months: January, February, March, April, May, June, July, August, September, October, November, December. The worst month is July with a typical-day mean of 49 µg/m³ (hazardous); on the worst 10% of days PM2.5 reaches 68 µg/m³ (hazardous) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.