Climate and monthly weather forecastRiyam, Oman
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Riyam, Oman, with an average temperature fluctuating between 19°C (66.2°F) and 23.4°C (74.1°F). Riyam reaches its lowest average temperatures in January, measuring 23.4°C (74.1°F) at the peak and 19°C (66.2°F) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Riyam, is another warm month, with an average temperature ranging between max 24.8°C (76.6°F) and min 20.1°C (68.2°F). February registers an average high-temperature of a still warm 24.8°C (76.6°F), slightly varied from January's 23.4°C (74.1°F). Weather in February »Weather in March
March, the first month of the spring in Riyam, is also a moderately hot month, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 27.8°C (82°F). As Riyam welcomes March, the average high-temperature displays a subtle shift, adjusting from a warm 24.8°C (76.6°F) in February to a still moderately hot 27.8°C (82°F). Weather in March »Weather in April
April in Riyam, Oman, is a tropical spring month, with an average temperature varying between 26.9°C (80.4°F) and 31.8°C (89.2°F). With the beginning of April, Riyam's average high-temperature sees a minor increase, transitioning from a moderately hot 27.8°C (82°F) in March to a hot 31.8°C (89.2°F). Weather in April »Weather in May
The last month of the spring, May, is a torrid month in Riyam, Oman, with an average temperature varying between 36°C (96.8°F) and 30.7°C (87.3°F). Observing a minor shift, the average high-temperature during May adjusts from April's hot 31.8°C (89.2°F) to a sweltering 36°C (96.8°F). Weather in May »Weather in June
The first month of the summer, June, is also a fiery hot month in Riyam, Oman, with an average temperature fluctuating between 31.5°C (88.7°F) and 36.6°C (97.9°F). June, having an average high-temperature of 36.6°C (97.9°F) and an average low-temperature of 31.5°C (88.7°F), is the warmest month. June's average heat index is calculated to be a scorching 44°C (111.2°F). Weather in June »Weather in July
July, the same as June, is another fiery hot summer month in Riyam, Oman, with temperature in the range of an average high of 35.7°C (96.3°F) and an average low of 31°C (87.8°F). The average high-temperature during July registers at a still sweltering 35.7°C (96.3°F), maintaining a close resemblance to the previous month. Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Riyam, Oman, with temperature in the range of an average high of 34.4°C (93.9°F) and an average low of 29.8°C (85.6°F). In Riyam, August's average high-temperature stands at a tropical 34.4°C (93.9°F), closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a hot month in Riyam, Oman, with an average temperature fluctuating between 28.7°C (83.7°F) and 34.1°C (93.4°F). The beginning of September records an average high-temperature of a still tropical 34.1°C (93.4°F), marking a negligible difference from August's 34.4°C (93.9°F). Weather in September »Weather in October
October, like September, is another tropical autumn month in Riyam, Oman, with temperature in the range of an average high of 32.5°C (90.5°F) and an average low of 27.1°C (80.8°F). Transitioning into October, Riyam experiences an average high-temperature of a still tropical 32.5°C (90.5°F), marking a minor shift from the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Riyam, is also a moderately hot month, with an average temperature ranging between max 28.1°C (82.6°F) and min 23.5°C (74.3°F). The arrival of November corresponds with a minor reduction in the average high-temperature, down from October's hot 32.5°C (90.5°F) to a warm 28.1°C (82.6°F). Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Riyam, Oman, with an average temperature ranging between min 20.5°C (68.9°F) and max 24.7°C (76.5°F). With the onset of December, Riyam experiences a modest temperature adjustment, with the average high-temperature gently receding from 28.1°C (82.6°F) in November to a still moderately hot 24.7°C (76.5°F). Weather in December »Updated: Feb 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average high temperatures of 23.4°C (74.1°F) and lows of 19°C (66.2°F), January is the coldest month in Riyam.
The most humid month in Riyam is January, with an average relative humidity of 59%.
Throughout the year, there are 21.4 rainfall days, and 43mm (1.69") of precipitation is accumulated.
January and December, with an average of 7.5h of sunshine, are months with the least sunshine in Riyam, Oman.
The months with the lowest UV index in Riyam, Oman, are January, February, November and December, with an average maximum UV index of 6.
With an average relative humidity of 42%, May is the least humid month in Riyam, Oman.
The months with the most sunshine are May and August, with an average of 12.3h of sunshine.
May is the month with the highest UV index in Riyam, with an average maximum UV index of 9.
Riyam, Oman, records the warmest temperatures in June, averaging a high of 36.6°C (97.9°F) and a low of 31.5°C (88.7°F).
June is the month with the most rainfall. Rain falls for 0.4 days and accumulates 8mm (0.31") of precipitation.
The month with the longest days is June, with an average of 13h and 36min of daylight.
The only month without rainfall in Riyam is September.
Months with rainfall are January through August, October through December.
With an average of 10h and 42min of daylight, December has the shortest days of the year in Riyam.
Riyam, Oman, does not utilize Daylight Saving Time (DST). +04 timezone is used over the entire year.
Average temperature
Riyam, Oman
The warmest month (with the highest average high temperature) is June (36.6°C).
The month with the lowest average high temperature is January (23.4°C).
The month with the highest average low temperature is June (31.5°C).
The coldest month (with the lowest average low temperature) is January (19°C).
Average pressure
Riyam, Oman
- Average pressure in January:
1017.3mbar - Average pressure in February:
1015.5mbar - Average pressure in March:
1013mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1005.8mbar - Average pressure in June:
1000mbar
- Average pressure in July:
997.9mbar - Average pressure in August:
1000.4mbar - Average pressure in September:
1005.2mbar - Average pressure in October:
1011.2mbar - Average pressure in November:
1015.1mbar - Average pressure in December:
1017.1mbar
The month with the highest atmospheric pressure is January (1017.3mbar).
The month with the lowest atmospheric pressure is July (997.9mbar).
Average wind speed
Riyam, Oman
- Average wind speed in January:
10.5km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
11.5km/h - Average wind speed in April:
10.9km/h - Average wind speed in May:
11.6km/h - Average wind speed in June:
11.5km/h
- Average wind speed in July:
10.9km/h - Average wind speed in August:
10.9km/h - Average wind speed in September:
9.5km/h - Average wind speed in October:
9.5km/h - Average wind speed in November:
9.7km/h - Average wind speed in December:
9.7km/h
The windiest months (with the highest average wind speed) are February and May (11.6km/h).
The calmest months (with the lowest average wind speed) are September and October (9.5km/h).
Average humidity
Riyam, Oman
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is May (42%).
Average rainfall
Riyam, Oman
The wettest month (with the highest rainfall) is June (8mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days
Riyam, Oman
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
1.5 days - Average rainfall days in March:
3.6 days - Average rainfall days in April:
2.9 days - Average rainfall days in May:
0.9 days - Average rainfall days in June:
0.4 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
1.5 days - Average rainfall days in September:
0 days - Average rainfall days in October:
0.8 days - Average rainfall days in November:
2.9 days - Average rainfall days in December:
2.5 days
The month with the highest number of rainy days is March (3.6 days).
The month with the least rainy days is September (0 days).
Average daylight / Average sunshine
Riyam, Oman
- Average daylight in January:
10h and 54min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 18min - Average daylight in June:
13h and 36min
- Average daylight in July:
13h and 24min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 0min - Average daylight in December:
10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in January:
7h and 30min - Average sunshine in February:
8h and 48min - Average sunshine in March:
9h and 48min - Average sunshine in April:
12h and 0min - Average sunshine in May:
12h and 18min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 18min - Average sunshine in September:
11h and 42min - Average sunshine in October:
8h and 6min - Average sunshine in November:
7h and 36min - Average sunshine in December:
7h and 30min
The months with the most sunshine are May and August (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 7h and 30min).
Average sunshine days
Riyam, Oman
- Average sunshine days in January:
26.8 days - Average sunshine days in February:
26.2 days - Average sunshine days in March:
27.4 days - Average sunshine days in April:
27.2 days - Average sunshine days in May:
29.5 days - Average sunshine days in June:
29.3 days
- Average sunshine days in July:
29.6 days - Average sunshine days in August:
29.4 days - Average sunshine days in September:
30 days - Average sunshine days in October:
30 days - Average sunshine days in November:
26.5 days - Average sunshine days in December:
27.3 days
The months with the most sunshine days are September and October (30 days).
The month with the least sunshine days is February (26.2 days).
Average UV index
Riyam, Oman
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover
Riyam, Oman
The month with the most cloud cover is March (Cloud cover 9).
The month with the least cloud cover is September (Cloud cover 2).
Average visibility
Riyam, Oman
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
