Climate and monthly weather forecastSiuna, Nicaragua
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Siuna, Nicaragua, with temperature in the range of an average low of 18.8°C (65.8°F) and an average high of 27.7°C (81.9°F). In Siuna, January records the lowest average temperatures, peaking at 27.7°C (81.9°F) and reaching a low of 18.8°C (65.8°F). For January, the heat index is evaluated at a hot 32°C (89.6°F). Weather in January »Weather in February
The last month of the winter, February, is also a moderately hot month in Siuna, Nicaragua, with an average temperature fluctuating between 18.7°C (65.7°F) and 28.8°C (83.8°F). The advent of February denotes an average high-temperature of a still warm 28.8°C (83.8°F), subtly different from January's 27.7°C (81.9°F). Weather in February »Weather in March
March, the first month of the spring in Siuna, is a tropical month, with temperature in the range of an average low of 18.7°C (65.7°F) and an average high of 30.6°C (87.1°F). March reports an average high-temperature of a tropical 30.6°C (87.1°F), slightly varied from February's 28.8°C (83.8°F). Weather in March »Weather in April
April, the same as March, in Siuna, Nicaragua, is another tropical spring month, with an average temperature varying between 32.3°C (90.1°F) and 20°C (68°F). April is the month when Siuna sees the highest average temperatures, with a high of 32.3°C (90.1°F) and a low of 20°C (68°F). The heat index for April is evaluated at a blisteringly hot 44°C (111.2°F). Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Siuna, Nicaragua, with an average temperature fluctuating between 31°C (87.8°F) and 21.3°C (70.3°F). Siuna's average high-temperature in May sits at a still hot 31°C (87.8°F), showing little difference from the previous month. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Siuna, Nicaragua, with an average temperature ranging between max 29.4°C (84.9°F) and min 22°C (71.6°F). June's advent notes a subtle adjustment in average high-temperature to a warm 29.4°C (84.9°F) from May. Weather in June »Weather in July
July, the same as June, is another warm summer month in Siuna, Nicaragua, with an average temperature varying between 29°C (84.2°F) and 21.8°C (71.2°F). Siuna experiences a recorded average high-temperature of a still moderately hot 29°C (84.2°F) in July, closely aligned with June's 29.4°C (84.9°F). Weather in July »Weather in August
August, the last month of the summer in Siuna, is a hot month, with an average temperature varying between 21.4°C (70.5°F) and 30.3°C (86.5°F). August records an average high-temperature of a tropical 30.3°C (86.5°F), indicating a minor variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Siuna, is still a tropical month, with an average temperature varying between 21.3°C (70.3°F) and 30.5°C (86.9°F). The beginning of September reveals an average high-temperature of a still tropical 30.5°C (86.9°F), showing minimal deviation from the previous month. Weather in September »Weather in October
October, like September, in Siuna, Nicaragua, is another warm autumn month, with an average temperature ranging between max 29.7°C (85.5°F) and min 21°C (69.8°F). The shift into October records an average high-temperature of a warm 29.7°C (85.5°F), subtly varied from September's 30.5°C (86.9°F). Weather in October »Weather in November
November, the last month of the autumn in Siuna, is also a moderately hot month, with an average temperature varying between 29.2°C (84.6°F) and 20.1°C (68.2°F). Siuna observes a minor difference in average high-temperatures between October's 29.7°C (85.5°F) and November's 29.2°C (84.6°F). Weather in November »Weather in December
December, the first month of the winter in Siuna, is also a moderately hot month, with an average temperature ranging between min 19.3°C (66.7°F) and max 28°C (82.4°F). December's onset sees an average high-temperature of a still warm 28°C (82.4°F), exhibiting a slight fluctuation from the previous month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Siuna, Nicaragua
The warmest month (with the highest average high temperature) is April (32.3°C).
The month with the lowest average high temperature is January (27.7°C).
The month with the highest average low temperature is June (22°C).
The coldest months (with the lowest average low temperature) are February and March (18.7°C).
Average pressure
Siuna, Nicaragua
- Average pressure in January:
1014.9mbar - Average pressure in February:
1014.5mbar - Average pressure in March:
1014.3mbar - Average pressure in April:
1012.9mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1013.4mbar - Average pressure in August:
1012.6mbar - Average pressure in September:
1011.7mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1012.7mbar - Average pressure in December:
1014mbar
The month with the highest atmospheric pressure is January (1014.9mbar).
The month with the lowest atmospheric pressure is October (1011.3mbar).
Average wind speed
Siuna, Nicaragua
- Average wind speed in January:
6.3km/h - Average wind speed in February:
6km/h - Average wind speed in March:
6.3km/h - Average wind speed in April:
5.6km/h - Average wind speed in May:
4.8km/h - Average wind speed in June:
4.8km/h
- Average wind speed in July:
5.7km/h - Average wind speed in August:
4.8km/h - Average wind speed in September:
4.2km/h - Average wind speed in October:
4.6km/h - Average wind speed in November:
6km/h - Average wind speed in December:
6.3km/h
The windiest months (with the highest average wind speed) are January, March and December (6.3km/h).
The calmest month (with the lowest average wind speed) is September (4.2km/h).
Average humidity
Siuna, Nicaragua
The month with the highest relative humidity is June (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Siuna, Nicaragua
- Average rainfall in January:
29mm - Average rainfall in February:
28mm - Average rainfall in March:
26mm - Average rainfall in April:
40mm - Average rainfall in May:
186mm - Average rainfall in June:
189mm
The wettest month (with the highest rainfall) is October (194mm).
The driest month (with the least rainfall) is March (26mm).
Average rainfall days
Siuna, Nicaragua
- Average rainfall days in January:
17.8 days - Average rainfall days in February:
17.8 days - Average rainfall days in March:
19.5 days - Average rainfall days in April:
20.4 days - Average rainfall days in May:
27.8 days - Average rainfall days in June:
28.1 days
- Average rainfall days in July:
27.7 days - Average rainfall days in August:
28.3 days - Average rainfall days in September:
26.4 days - Average rainfall days in October:
27.5 days - Average rainfall days in November:
21.2 days - Average rainfall days in December:
17.9 days
The month with the highest number of rainy days is August (28.3 days).
The months with the least rainy days are January and February (17.8 days).
Average daylight / Average sunshine
Siuna, Nicaragua
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 48min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 18min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 30min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 0min - Average sunshine in May:
6h and 24min - Average sunshine in June:
5h and 54min
- Average sunshine in July:
5h and 36min - Average sunshine in August:
5h and 54min - Average sunshine in September:
5h and 48min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 42min
The month with the most sunshine is April (Average sunshine: 7h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
Siuna, Nicaragua
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
6.8 days - Average sunshine days in May:
2.3 days - Average sunshine days in June:
1.6 days
- Average sunshine days in July:
2.8 days - Average sunshine days in August:
1.8 days - Average sunshine days in September:
2.9 days - Average sunshine days in October:
3 days - Average sunshine days in November:
7.1 days - Average sunshine days in December:
11 days
The month with the most sunshine days is December (11 days).
The month with the least sunshine days is June (1.6 days).
Average UV index
Siuna, Nicaragua
The months with the highest UV index are February, March, April, May, June, July, September and October (UV index 6).
The months with the lowest UV index are January, August, November and December (UV index 5).
Average cloud cover
Siuna, Nicaragua
The month with the most cloud cover is July (Cloud cover 74).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility
Siuna, Nicaragua
The months with the highest visibility are March and April (7km).
The months with the lowest visibility are June, July, August, September, October and December (5km).





