Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
December verdict
Very good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 10mm, which is relatively low for holiday planning.
Monthly averages
Temp
27°C
Rain
10mm
Sun
8.5h
Sea
25°C
Weather score
85
Very good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 10mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Compare Muscat, Oman with nearby places by weather score, rain, sun, temperature, and swim conditions.
December27°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMay to July
This stretch sets the upper range for average daytime heat.
December10mm average rain
December is close to Muscat's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
December8.5 hours average sun
December is one of the less sunny months locally, though average sunshine is still strong by holiday standards.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
December25°C average sea
December is below Muscat's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMay to October
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
December85 weather score
December scores above Muscat's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMarch and October to December
These months have the strongest weather score in the monthly averages.