Salalah

Oman Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Oman in May.

Thinking about venturing to Oman this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Oman in May

Oman has a wide variety of climate types. During May, you can expect temperatures that range from very warm to very hot and precipitation levels ranging from almost none to moderate. It's the height of summer.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is very warm in Masirah Island at 30°C (86°F) to very hot in Al Wāşil at 42°C (108°F). Nighttime temperatures generally drop to 28°C (82°F) in Al Wāşil and 27°C (81°F) in Masirah Island. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

To learn more about the conditions in specific areas of Oman, check out the map below.

Precipitation

In May, precipitation varies across different areas. From almost no rainfall in Khasab with an average of 0.1 mm (0 in) to moderate rainfall in Mirbāţ with 59 mm (2.3 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Muscat typically receives 348 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Oman by month

Pick a month to see the average temperature, rainfall and sunshine in Oman — and find the best time to visit. (based on Muscat)

Best Places to Visit in Oman in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Oman.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Oman

What is the weather like in May for some of the most popular destinations in Oman?

Temperature range in Oman (May)

Precipitation variation in Oman (May)

Muscat

In May Muscat generally has extremely high temperatures with maximum daytime temperatures around 36°C (97°F), minimum nighttime temperatures around 30°C (86°F) and almost no monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
32°C (90°F)
36°C (97°F)
37°C (99°F)
Min temperature
26°C (79°F)
30°C (86°F)
31°C (88°F)
Monthly sun hours
293 hours
348 hours
326 hours
Monthly rainfall
4.7 mm (0.2 in)
0.5 mm (0.02 in)
12 mm (0.5 in)
Monthly rainy days
a single day
0 days
0 days
Weather conditions

Salalah

In May Salalah generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
31°C (88°F)
33°C (91°F)
32°C (90°F)
Min temperature
24°C (75°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
310 hours
336 hours
200 hours
Monthly rainfall
4.7 mm (0.2 in)
39 mm (1.5 in)
23 mm (0.9 in)
Monthly rainy days
a single day
a single day
2 days
Weather conditions

Sur

In May Sur generally has extremely high temperatures with maximum daytime temperatures around 36°C (97°F), minimum nighttime temperatures around 29°C (84°F) and almost no monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
32°C (90°F)
36°C (97°F)
36°C (97°F)
Min temperature
26°C (79°F)
29°C (84°F)
30°C (86°F)
Monthly rainfall
6.3 mm (0.2 in)
1.9 mm (0.1 in)
22 mm (0.9 in)
Monthly rainy days
a single day
0 days
a single day
Weather conditions

Seeb

In May Seeb generally has extremely high temperatures with maximum daytime temperatures around 35°C (95°F), minimum nighttime temperatures around 30°C (86°F) and almost no monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
31°C (88°F)
35°C (95°F)
36°C (97°F)
Min temperature
26°C (79°F)
30°C (86°F)
31°C (88°F)
Monthly sun hours
291 hours
350 hours
326 hours
Monthly rainfall
3.4 mm (0.1 in)
0.3 mm (0.01 in)
8.6 mm (0.3 in)
Monthly rainy days
a single day
0 days
0 days
Weather conditions

Sohar

In May Sohar generally has extremely high temperatures with maximum daytime temperatures around 38°C (100°F), minimum nighttime temperatures around 29°C (84°F) and almost no monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
33°C (91°F)
38°C (100°F)
38°C (100°F)
Min temperature
25°C (77°F)
29°C (84°F)
31°C (88°F)
Monthly sun hours
277 hours
321 hours
309 hours
Monthly rainfall
5.3 mm (0.2 in)
0.9 mm (0.04 in)
1.8 mm (0.1 in)
Monthly rainy days
a single day
0 days
0 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Oman.

In our records: Oman May extremes

Notable May records observed across cities in Oman in our climate database (1978 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest May day in Oman reached 51°C (124°F) in Sharqiya Sands on May 30, 2017.

Popular cities in May

Day & night temperatures, rainfall and average weather in Oman in May.

City Weather Day temp Night temp Rainfall
Muscat 36°C (97°F) 30°C (86°F) 0.5 mm (0.02 in)
Salalah 33°C (91°F) 26°C (79°F) 39 mm (1.5 in)
Nizwa 39°C (102°F) 27°C (81°F) 4.4 mm (0.2 in)
Al Buraymī 41°C (106°F) 27°C (81°F) 0.5 mm (0.02 in)
Mirbāţ 31°C (88°F) 27°C (81°F) 59 mm (2.3 in)
Masirah Island 30°C (86°F) 27°C (81°F) 0.5 mm (0.02 in)

Oman weather in May: frequently asked questions

What is the weather like in Oman in May?

May in Oman brings poor weather. In Muscat, daytime temperatures are typically around 36°C (97°F) and nighttime lows hover near 30°C (86°F).

What is the average temperature in Oman in May?

Daytime temperatures in Muscat peak at roughly 36°C (97°F) in May, dropping to about 30°C (86°F) overnight.

Does Oman get a lot of rain in May?

Rain is generally moderate to light in Oman during May, with Muscat averaging close to 0.5 mm (0.02 in).

Is May a Good Time to Visit Oman?

Given the typically unpleasant weather conditions in Muscat, May may not be the ideal time to visit Oman.

Generally speaking, the best visiting conditions can be found in January, February, March, November and December offering mostly perfect weather in Muscat. The weather in May, June, July, August and September, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Oman.

Weather and climate has detailed information for every country in the world. Are you going to Oman? Get detailed historical weather averages for many cities in Oman.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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