Sea temperature in Oman
Live water temperatures and swimming conditions across 11 beaches on the Oman coast.
Best time to swim in Oman
The sea in Oman peaks in June, when the water averages around 28°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically January at around 24°C, when cold-water swimmers dominate the coast.
Oman sea temperature history
Long-term climatology for Oman shows an annual mean sea temperature of 26°C, ranging from 24°C in winter to 28°C at the summer peak.
The seasonal swing is roughly 4°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Oman, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Values are area averages; individual beaches vary by exposure and depth.
Oman sea temperature: frequently asked questions
What is the warmest month to swim in Oman?
June is the warmest month in Oman, when the sea averages about 28°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Oman?
The coldest month in Oman is typically January, when the water averages around 24°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Oman without a wetsuit?
The main swimming season in Oman runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Oman?
Oman stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.
What is the average sea temperature in Oman?
The long-term annual mean sea temperature in Oman is about 26°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Oman?
The live reading at the top of this page shows the current sea temperature in Oman, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Oman sea temperature by month
Average sea temperatures around Oman for every month of the year, based on long-term Open-Meteo marine climatology.
| Month | Average sea | Swimming comfort |
|---|---|---|
| January | 24.0°C | Warm swimming |
| February | 24.0°C | Warm swimming |
| March | 25.0°C | Warm swimming |
| April | 26.0°C | Warm swimming |
| May | 27.0°C | Very warm, bath-like |
| June ⭐ | 28.0°C | Very warm, bath-like |
| July | 28.0°C | Very warm, bath-like |
| August | 28.0°C | Very warm, bath-like |
| September | 28.0°C | Very warm, bath-like |
| October | 27.0°C | Very warm, bath-like |
| November | 26.0°C | Warm swimming |
| December | 25.0°C | Warm swimming |
Monthly figures are modelled climatology averages, not live readings. How accurate is our data?
Warmest beaches in Oman right now
| Beach | Region | Sea | Swim score |
|---|---|---|---|
| Qurum Beach | Muscat | 28.5°C | Excellent |
| Yiti Beach | Muscat | 28.0°C | Excellent |
| Mughsail Beach | Dhofar | 27.7°C | Excellent |
| Muscat Qurum Beach | Muscat | 27.6°C | Excellent |
| Al Bustan Beach | Muscat | 27.6°C | Excellent |
| Al Mughsayl Beach | Dhofar | 27.3°C | Excellent |
| Fazayah Beach | Dhofar | 27.3°C | Excellent |
| Yiti Beach | Muscat | 27.2°C | Excellent |
| Bandar Jissah | Muscat | 26.8°C | Excellent |
| Taqah Beach | Dhofar | 26.7°C | Excellent |
| Al Fazayah Beach | Dhofar | 26.6°C | Excellent |
Sea temperature in Oman — FAQ
How warm is the sea in Oman in September?
The sea off Oman averages about 28.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in Oman?
Oman is warmest in June (around 28.0°C) and coldest in January (around 24.0°C). There are typically 12 months a year when the water sits above 22°C.
What is the average yearly sea temperature in Oman?
Across all twelve months, the sea in Oman averages about 26.3°C.
Do you need a wetsuit to swim in Oman?
In peak season (around June, ~28.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 24.0°C, a 3/2mm to 5/4mm wetsuit is recommended.
Which beach in Oman has the warmest sea right now?
Muscat Qurum Beach typically has the warmest sea in September, while Mughsail Beach is the coolest of the featured beaches. Live readings for every beach are listed on this page.