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Contents
- The climate of Guanaja
- The best time to visit Guanaja
- The worst time to visit Guanaja
- Spring weather in Guanaja
- Summer weather in Guanaja
- Autumn weather in Guanaja
- Winter weather in Guanaja
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Guanaja
Guanaja, an island in the Caribbean Sea off the coast of Honduras, falls under the Am classification in the Köppen climate classification system. The island experiences a tropical monsoon climate, characterized by high humidity, significant rainfall and very little temperature variation throughout the year.
A conspicuous characteristic of Guanaja's climate is the high humidity, remaining fairly constant from 75% to 78% through the entire calendar. Temperatures remain fairly constant from month to month with less than 5°C (41°F) deviation between highs and lows. High temperatures range from 26°C (78.8°F) to 29.3°C (84.7°F), while low temperatures range from 24.3°C (75.7°F) to 27.8°C (82°F).
Rainfall heavily influences the climate with peak precipitation observed in October, November, and December averaging over 210mm (8.27"). Lower rainfall periods exist mainly in April having 34mm (1.34") and March being slightly higher at 56mm (2.2"). Meanwhile, the wind speed varies between 16.5km/h (10.3mph) to 26.2km/h (16.3mph). The highest wind gusts are typically seen in June with speeds reaching about 37.7km/h (23.4mph), whereas in November they tend to decrease to 24.3km/h (15.1mph).
A conspicuous characteristic of Guanaja's climate is the high humidity, remaining fairly constant from 75% to 78% through the entire calendar. Temperatures remain fairly constant from month to month with less than 5°C (41°F) deviation between highs and lows. High temperatures range from 26°C (78.8°F) to 29.3°C (84.7°F), while low temperatures range from 24.3°C (75.7°F) to 27.8°C (82°F).
Rainfall heavily influences the climate with peak precipitation observed in October, November, and December averaging over 210mm (8.27"). Lower rainfall periods exist mainly in April having 34mm (1.34") and March being slightly higher at 56mm (2.2"). Meanwhile, the wind speed varies between 16.5km/h (10.3mph) to 26.2km/h (16.3mph). The highest wind gusts are typically seen in June with speeds reaching about 37.7km/h (23.4mph), whereas in November they tend to decrease to 24.3km/h (15.1mph).
The best time to visit Guanaja
Prospective visitors to Guanaja keen on spending time enjoying the sun and sea should consider the period from March to May. During these months, Guanaja showcases relatively drier conditions presenting rainfall values around 34mm (1.34") to 67mm (2.64"). Simultaneously, the island benefits from maximum sunshine hours, approximately 11.6 hours per day, and relatively high sea temperatures lingering at about 28°C (82.4°F) to 29°C (84.2°F), inviting for swimming or water activities. March to May also features elevated daylight hours, from 12.1h to 12.9h and lower cloud cover, ranging between 19% to 23% on average.
The worst time to visit Guanaja
For tourists less tolerant of frequent rains and limited sunshine, the span from October to December should be avoided. Voluminous rainfall with an average downpour between 169mm (6.65") to 241mm (9.49") coupled with limited sunshine hours from about 7h to 8h per day highlights this period. Further, the sea temperatures tend to drop towards 27°C (80.6°F) in December, which might be less appealing for water enthusiasts.
Spring weather in Guanaja
Spring, stretching from March to May, brings a warmer pattern, less rain and optimal visibility conditions, invariably locked at 10km (6.2mi) throughout this period. A slight increase in daylight hours from 12.1h to 12.9h accompanies longer sunshine hours, crucial for sunbathing or outdoor fun.
Summer weather in Guanaja
June ushers in the onset of Summer, marked by slightly increased rainfall, from 77mm (3.03") to 118mm (4.65"), and marginally higher humidity levels, around 78%. However, the maximum average temperatures rise to 29.3°C (84.7°F) while sea temperatures peak at approximately 29.8°C (85.6°F) in July.
Autumn weather in Guanaja
Commencing from September till November, autumn bears witness to the heaviest rainfall with monthly averages ranging from 112mm (4.41") to 241mm (9.49"). These months also report the highest cloud cover percentages, between 38% to 41%, resulting in decreased visibility, particularly in October and November, which drops to 9km (5.6mi).
Winter weather in Guanaja
Winter weather patterns in Guanaja, spanning December to February, are somewhat mild than most places. The rainfall lays back a bit, but remains significant at 153mm (6.02") to 169mm (6.65") per month. Despite temperature lows declining to a cooler 24.3°C (75.7°F) in December, the sea temperatures remain quite warm, around 26.4°C (79.5°F) to 27.3°C (81.1°F), thus providing ample opportunities for beach and water activities.
Weather in January
Transitioning from the end of the previous year, January's climate in Guanaja, Honduras maintains moderate rainfall, cloud coverage, and relative humidity. This is accompanied by the slow increase in daylight hours, while the sea temperature remains comfortably warm, supporting aquatic activities. Weather in January »
Weather in February
Following January, February experiences some shifts in its climate attributes, most notably, a significant decrease in rainfall volume and days of rainfall. Interestingly, sea temperatures increase while wind speed continues to rise steadily. Weather in February »
Weather in March
As Guanaja approaches the end of the first quarter of the year, March witnesses an even more pronounced decline in rainfall, both in terms of volume and the number of rainy days. In general, climate parameters, including maximum wind speed and visibility remain fairly consistent. Weather in March »
Weather in April
Next in line is April, with a continued trend in decreasing precipitation but an increase in the number of sunshine-filled days and daylight hours. The sea temperature rises to 27.7°C (81.9°F), providing excellent conditions for marine activities such as diving and snorkeling. Weather in April »
Weather in May
As the weather continues to warm, May marks the onset of higher humidity and rainfall with an accompanying increase in cloud coverage. This change in climate affects visibility slightly, despite it remaining relatively steady. Sea temperature continues to rise, reaching 28.3°C (82.9°F) in this month, providing excellent conditions for water-related recreational activities. Weather in May »
Weather in June
June's weather in Guanaja, Honduras, represents a noticeable shift, most notably in the form of higher temperatures and rainfalls. The changes in climate elements are consistent with the start of the summer season, marked by longer days and increased cloud coverage. Weather in June »
Weather in July
Midway through the year, July's weather records the peak of several climate variables. The continuing increased precipitation from June reshapes the weather dynamics with daily downpours. A new top of 29°C (84.2°F) in temperature is noted for July, as the long, warm days set in. Weather in July »
Weather in August
Transitioning into August, Guanaja's weather sees a drop in rainfall volumes and days, despite maintaining a steady relative humidity level. Sea temperatures peak at 29.3°C (84.7°F), which are the warmest recorded temperatures of the year, promoting maritime tourism and water sports. Weather in August »
Weather in September
As Guanaja enters the autumn season, September's weather patterns see negligible deviation from those of the previous month. Notwithstanding the constant temperature, sea temperature continues to rise, topping at 29.8°C (85.6°F). Weather in September »
Weather in October
October marks a shift in Guanaja's weather, bringing along an increase in rainfall, accompanied by the greatest number of rainy days, tallying up to 26.4 days in the month. A steady decline in daylight hours and temperatures accompanies this, hinting at the onset of the cooler months. Weather in October »
Weather in November
The transition into the year's final quarter brings about significant changes in Guanaja's weather. November carries on with the declining trend in daylight hours and temperatures. However, the rainfall hits a peak at 241mm (9.49"), with rain on 25.9 days making this the wettest time of the year. Weather in November »
Weather in December
Finally, Guanaja's climate in December exhibits a mix of climatic traits from the preceding months. There is a considerable drop in rainfall and the number of rainy days as compared to November, providing some respite from heavy downpours. Weather in December »
Updated: Feb 19, 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
What part of the year is the coldest in Guanaja?
Guanaja records the coldest temperatures in January, averaging a high of 26°C (78.8°F) and a low of 24.3°C (75.7°F).
How many days does it rain in Guanaja?
In Guanaja, during the entire year, the rain falls for 245.1 days and collects up to 1412mm (55.59") of precipitation.
What month is the sea coldest in Guanaja?
January is the month with the coldest seawater in Guanaja, with an average sea temperature of 26.4°C (79.5°F).
What is the month with the least sunshine in Guanaja?
With an average of 6h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Guanaja?
The months with the lowest UV index in Guanaja, Honduras, are January and November, with an average maximum UV index of 6.
When is the highest UV index in Guanaja?
The months with the highest UV index are February through October and December, with an average maximum UV index of 7.
What is the most humid month in Guanaja?
The months with the highest humidity in Guanaja are April through July, with an average relative humidity of 78%.
What is the driest month in Guanaja?
April is the month with the least rainfall in Guanaja. Rain falls for 11.4 days and accumulates 34mm (1.34") of precipitation.
What are the months with the most sunshine in Guanaja?
The months with the most sunshine are May and July, with an average of 11.6h of sunshine.
When are the longest days in Guanaja?
The month with the longest days is June, with an average of 13h and 6min of daylight.
What time of the year is the hottest in Guanaja?
September, recording an average high temperature of 29.3°C (84.7°F) and a low temperature of 27.8°C (82°F), is Guanaja's warmest month.
What is the month with the warmest sea water in Guanaja?
With an average sea temperature of 29.8°C (85.6°F), September is the month with the warmest seawater.
What are the least humid months in Guanaja?
The months with the lowest humidity in Guanaja, Honduras, are October and November, with an average relative humidity of 75%.
What is the rainiest month in Guanaja?
The month with the most rainfall is November, when the rain falls for 25.9 days and typically aggregates up to 241mm (9.49") of precipitation.
What is the month with the shortest days in Guanaja?
With an average of 11h and 12min of daylight, December has the shortest days of the year in Guanaja.
Is there Daylight Saving Time (DST) in Guanaja?
Guanaja does not observe Daylight Saving Time (DST). CST timezone is used throughout the entire year.
Average temperature
Guanaja, Honduras
The warmest month (with the highest average high temperature) is September (29.3°C).
The month with the lowest average high temperature is January (26°C).
The month with the highest average low temperature is September (27.8°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).
Average pressure
Guanaja, Honduras
- Average pressure in January:
1015.9mbar - Average pressure in February:
1015mbar - Average pressure in March:
1014.7mbar - Average pressure in April:
1012.6mbar - Average pressure in May:
1011.9mbar - Average pressure in June:
1012mbar
- Average pressure in July:
1013.7mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1011.3mbar - Average pressure in October:
1011.5mbar - Average pressure in November:
1013.8mbar - Average pressure in December:
1015mbar
The month with the highest atmospheric pressure is January (1015.9mbar).
The month with the lowest atmospheric pressure is September (1011.3mbar).
Average wind speed
Guanaja, Honduras
- Average wind speed in January:
21.2km/h - Average wind speed in February:
23.5km/h - Average wind speed in March:
23.6km/h - Average wind speed in April:
24.3km/h - Average wind speed in May:
23.9km/h - Average wind speed in June:
26.2km/h
- Average wind speed in July:
25.9km/h - Average wind speed in August:
23.1km/h - Average wind speed in September:
19.7km/h - Average wind speed in October:
17.6km/h - Average wind speed in November:
16.5km/h - Average wind speed in December:
18.9km/h
The windiest month (with the highest average wind speed) is June (26.2km/h).
The calmest month (with the lowest average wind speed) is November (16.5km/h).
Average humidity
Guanaja, Honduras
The months with the highest relative humidity are April, May, June and July (78%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall
Guanaja, Honduras
- Average rainfall in July:
73mm - Average rainfall in August:
118mm - Average rainfall in September:
112mm - Average rainfall in October:
236mm - Average rainfall in November:
241mm - Average rainfall in December:
169mm
The wettest month (with the highest rainfall) is November (241mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days
Guanaja, Honduras
- Average rainfall days in January:
21.6 days - Average rainfall days in February:
15.4 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
11.4 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
19.9 days
- Average rainfall days in July:
23.5 days - Average rainfall days in August:
23.4 days - Average rainfall days in September:
23.4 days - Average rainfall days in October:
26.4 days - Average rainfall days in November:
25.9 days - Average rainfall days in December:
23.6 days
The month with the highest number of rainy days is October (26.4 days).
The month with the least rainy days is April (11.4 days).
Average sea temperature
Guanaja, Honduras
The best month for swimming (with the highest average sea temperature) is September (29.8°C).
The coldest month (with the lowest average sea temperature) is January (26.4°C).
Average daylight / Average sunshine
Guanaja, Honduras
- Average daylight in January:
11h and 2min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 3min - Average daylight in May:
12h and 5min - Average daylight in June:
13h and 1min
- Average daylight in July:
13h and 0min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 2min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 4min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 3min - Average sunshine in September:
9h and 2min - Average sunshine in October:
8h and 1min - Average sunshine in November:
8h and 0min - Average sunshine in December:
6h and 4min
The months with the most sunshine are May and July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days
Guanaja, Honduras
- Average sunshine days in January:
7.7 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
16.4 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
6.9 days
- Average sunshine days in July:
3.5 days - Average sunshine days in August:
4 days - Average sunshine days in September:
3.7 days - Average sunshine days in October:
3.4 days - Average sunshine days in November:
2.8 days - Average sunshine days in December:
5.9 days
The month with the most sunshine days is April (16.4 days).
The month with the least sunshine days is November (2.8 days).
Average UV index
Guanaja, Honduras
The months with the highest UV index are February, March, April, May, June, July, August, September, October and December (UV index 7).
The months with the lowest UV index are January and November (UV index 6).
Average cloud cover
Guanaja, Honduras
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 19).
Average visibility
Guanaja, Honduras
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
