Rustaq, Oman — Weather in May 2027

Climate Overview

Rustaq, Oman in May has hot conditions, with highs reaching 40.7°C (105°F) and afternoons the warmest part of the day. Rain is rare, falling on about 1 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Spring. Temperatures are at their seasonal peak.

Daily highs in May gradually rise from around 39°C (102°F) at the start to 43°C (109°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

The warmest days tend to fall around the 31th, averaging 43.7°C (111°F).

Compared to April, this month is about 4°C warmer with 1 fewer rainy days.

Monthly May Averages

Temperature

41°C / 28°C

Feels Like

40°C / 28°C

Rain

1 days · 5 mm

Sunshine

11.9h / day

Humidity

24% — Very Dry

Wind

18 km/h

Wind Direction

N (5°)

Gusts

43 km/h

Daylight

13.3 h

Cloud Cover

15%

Clear Sky Days

23.9

UV Index

8.5 — Very High

Dew Point

11°C — Comfortable

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:30

Daylight 13.3h

Sunset 18:46

What to Expect

With midday temperatures reaching 41°C (105°F), schedule outdoor activities for early morning or late afternoon. Evenings remain warm enough for comfortable outdoor dining and night markets.

Rain is uncommon in this month, so most days stay dry from morning through evening.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

2days (9 mm) Excellent

3days (12 mm) Excellent

3days (18 mm) Excellent

2days (12 mm) Excellent

1days (5 mm) Excellent

0days (0 mm) Excellent

1days (17 mm) Excellent

0days (1 mm) Excellent

0days (1 mm) Excellent

1days (11 mm) Excellent

1days (4 mm) Excellent

1days (8 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	25°C / 16°C	24°C / 15°C	2days (9 mm) Excellent	9.8h Good	53% Moderate	5.6 High	Excellent	View Details
February best	28°C / 18°C	27°C / 17°C	3days (12 mm) Excellent	10.3h Excellent	48% Moderate	6.6 High	Excellent	View Details
March best	31°C / 21°C	31°C / 20°C	3days (18 mm) Excellent	10.7h Excellent	42% Moderate	7.6 Very High	Excellent	View Details
April	37°C / 25°C	36°C / 24°C	2days (12 mm) Excellent	11.5h Excellent	30% Comfortable	8.3 Very High	Good	View Details
May	41°C / 28°C	40°C / 28°C	1days (5 mm) Excellent	11.9h Excellent	24% Comfortable	8.5 Very High	Fair	View Details
June	43°C / 31°C	43°C / 31°C	0days (0 mm) Excellent	12.1h Excellent	26% Comfortable	8.5 Very High	Poor	View Details
July	41°C / 31°C	43°C / 34°C	1days (17 mm) Excellent	11.6h Excellent	40% Comfortable	8.6 Very High	Poor	View Details
August	41°C / 31°C	42°C / 33°C	0days (1 mm) Excellent	11.5h Excellent	36% Comfortable	8.4 Very High	Poor	View Details
September	39°C / 29°C	40°C / 30°C	0days (1 mm) Excellent	11.2h Excellent	33% Comfortable	8 Very High	Fair	View Details
October	35°C / 25°C	35°C / 25°C	1days (11 mm) Excellent	10.4h Excellent	37% Comfortable	6.9 High	Good	View Details
November best	30°C / 21°C	29°C / 21°C	1days (4 mm) Excellent	10h Excellent	47% Moderate	5.9 High	Excellent	View Details
December best	27°C / 18°C	25°C / 17°C	1days (8 mm) Excellent	9.8h Good	53% Moderate	5.3 High	Excellent	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesSandals

Frequently Asked Questions

Expand all

Is May a good time to visit Rustaq?

May is typically fair for visiting Rustaq, with average highs of 41°C (105°F) and around 1 rainy days. Rustaq, Oman in May has hot conditions, with highs reaching 40.7°C (105°F) and afternoons the warmest part of the day. R

Does it rain a lot in Rustaq in May?

Rustaq typically sees around 1 rainy days in May with 5 mm (0.2 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Rustaq in May?

Nights stay pleasantly warm in Rustaq during May, around 28°C (83°F). Light evening wear is sufficient.

What should I pack for Rustaq in May?

With highs of 41°C (105°F) and lows of 28°C (83°F) in May, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Rustaq?

May is not the most favourable month weather-wise in Rustaq. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Rustaq in May?

The average UV index in Rustaq during May is 9 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Rustaq in May?

Rustaq gets approximately 13 hours of daylight per day in May, with around 12 hours of sunshine.

Does it snow in Rustaq in May?

Snow is uncommon in Rustaq during May based on 10-year climate averages.

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