Climate and monthly weather forecastFontein, Aruba
Climate and monthly weather forecast
The climate of Fontein
Located in Aruba, the climate in Fontein is categorized as tropical savanna according to the Köppen climate classification. This means that the geographical position of Fontein, which is near the equator, bestows this region a generously warm and relatively wet climate throughout the entire year.Throughout twelve months, temperatures in Fontein remain consistent, with marginal variations. The highest average temperature is recorded at 29°C (84.2°F) in September, while the lowest average temperature dips to 26°C (78.8°F) in January and February. The narrow temperature range clearly illustrates the typically tropical feature of the area: high temperatures all year round.
As for rainfall, Fontein experiences a wet season from September to December, with November showing the highest rainfall at 110mm (4.33"). The aridity prevails from January to August with the driest month being in February and March, during which rainfall measures at around 17mm (0.67"). On the contrary, the relative humidity sticks around 80-83% during the year, creating a high amount of moisture in the atmosphere.
The wind speed also follows an observable pattern. January and February witness the slowest wind speed from 33.1km/h (20.6mph) to 33.5km/h (20.8mph). But it starts to increase and peaks at 37.5km/h (23.3mph) in June, before tapering off towards the year-end.
The Best Time to Visit Fontein
Although Fontein is a year-round destination, the best time to visit can be considered to be between January to August. These months offer moderate temperatures and less rainfall, allowing visitors to explore outdoor activities and attractions without any significant weather disturbances. Specifically, June experiences the fastest average wind speed and the longest sunshine hours at 9.2 hours, which can promise a sunny and breezy vacation.The Worst Time to Visit Fontein
The relatively wet period from September to December may be considered the least favorable time to visit Fontein. These months experience an increase in the average rainfall and number of rainy days, with November being the wettest month of 110mm (4.33") of rainfall occurring during 23.9 days on average. Consequently, outdoor activities might be interrupted by the unpredictable weather. It is advisable to check the forecast prior to planning any activities during this period. Yet, for those who enjoy a less crowded and easy-going vacation, these off-peak months can offer a unique experience.Spring Weather in Fontein
The spring season in Fontein, typically from March to May, offers constant high temperatures averaging between 26.6°C (79.9°F) to 27.7°C (81.9°F), and an average rainfall of 20mm (0.79"). This period also experiences increasing sunshine hours and days, from 8.3 hours in March to 8.6 hours in May, and from 8 days in March to 10.7 days in May, promising a delightful outdoor explorative experience.Summer Weather in Fontein
The summer period from June to August in Fontein comes with an even higher average temperature, varying from 27.8°C (82°F) to 29°C (84.2°F). The rainfall remains relatively low below 24mm (0.94"), yet the humidity can reach up to 82%. The blistering summer sunshine can clock up to 9.5 hours in August, the longest period within the year.Autumn Weather in Fontein
The autumn season in Fontein, between September and November, witnesses an elevation in rainfall levels, marking the onset of the wet season. Rainfall noticeably increases from 57mm (2.24") in September to 89mm (3.5") in November. Meanwhile, the average temperatures remain high, fluctuating from 28.9°C (84°F) to 28.6°C (83.5°F).Winter Weather in Fontein
Winter in Fontein, from December to February, is characterized by slightly cooler temperatures ranging from 26°C (78.8°F) to 26.7°C (80.1°F), along with a significant increase of rainfall. December experiences 55mm (2.17") of rainfall occurring during 22.6 days on average, whereas January and February have relatively lower precipitation with 27mm (1.06") and 17mm (0.67") on average. Despite the rainfall, the winter period also displays an ample amount of sunshine, with about 8.2 to 8.6 hours per day.Weather in January
A new year in Fontein, Aruba begins with January, characterized by a relatively high humidity of 80% coupled with significant rainfall of 27mm (1.06") spread across 16 days. With the passing December, January ushers seemingly identical weather patterns, contributing to the stable climate of the region. Weather in January »Weather in February
As Fontein, Aruba's meteorological conditions transition from January to February, a slight decrease in rainfall to 17mm (0.67") over 12 days is witnessed. Although mild fluctuations in meteorological variables are observed, the transition does not markedly affect the prevalent climate conditions. Weather in February »Weather in March
Fontein's weather conditions see a marginal rise during March, especially in temperatures, with maxima reaching up to 26.6°C (79.9°F). The temperature shift follows a rising trend from February, indicating the onset of warmer months ahead. Weather in March »Weather in April
In the midst of the first half of the year, April's weather conditions in Fontein are marked by an upward trend in both temperature and humidity, rising to levels around 27.2°C (81°F) and 82% respectively. This trend is indicative of the mild intensification in weather conditions coming from March. Weather in April »Weather in May
May brings about a turning point in Fontein's weather patterns, with higher temperatures that could rise up to 27.7°C (81.9°F). As the city transitions from April, these changes denote the arrival of a relatively hotter phase of the year. Weather in May »Weather in June
The prevalent heat in June characterizes the weather in Fontein, Aruba, with temperatures reaching a high of 27.8°C (82°F), marking a slight escalation from May. While this increase is modest, it bears testimony to the impact of increasing global temperatures on local climatic conditions. Weather in June »Weather in July
July in Fontein, Aruba brings with it temperatures pushing the mercury up to 28°C (82.4°F), a minor but continuous rise from the preceding month of June. This period exhibits the typical mid-year weather, creating a warm and welcoming environment for individuals. Weather in July »Weather in August
Weather conditions in Fontein, Aruba during August continue the upward trajectory in temperature, peaking at 28.3°C (82.9°F) that brings about an enticing summer stretch. This extends the temperature trend that began from the preceding month of July. Weather in August »Weather in September
Climate variables in September show a distinct enhancement in Fontein, Aruba, with the monthly rainfall shooting up to 57mm (2.24") spread across 15 days. This arrives on the heels of a warm August, marking the transition from summer to the impending fall season. Weather in September »Weather in October
Weather in October reveals a significant jump in Fontein, Aruba's rain gauge with a high of 110mm (4.33") precipitation spread over 20 days. This shift from September reflects the considerable climatic changes as the end of the year draws closer. Weather in October »Weather in November
November weather records in Fontein, Aruba indicate a considerable amount of rainfall amounting to 89mm (3.5") across 23 days, continuing the rainy trend seen from October. This shift towards the year-end alludes to the changing needs of the environment working in harmony with the natural climatic patterns. Weather in November »Weather in December
The concluding month, December, brings some relief from November's rain in Fontein, Aruba, seeing a decreased rainfall of 55mm (2.17") across 22 days. The final month's transition brings relatively lesser rainfall with maintained humidity, keeping the winter charm alive. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Fontein, Aruba
The warmest month (with the highest average high temperature) is September (29°C).
The month with the lowest average high temperature is February (26.4°C).
The month with the highest average low temperature is September (28.3°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure
Fontein, Aruba
- Average pressure in January:
1012.6mbar - Average pressure in February:
1012.5mbar - Average pressure in March:
1012.2mbar - Average pressure in April:
1011.4mbar - Average pressure in May:
1011.2mbar - Average pressure in June:
1011.7mbar
- Average pressure in July:
1011.9mbar - Average pressure in August:
1010.8mbar - Average pressure in September:
1010.1mbar - Average pressure in October:
1009.6mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1011.4mbar
The month with the highest atmospheric pressure is January (1012.6mbar).
The month with the lowest atmospheric pressure is October (1009.6mbar).
Average wind speed
Fontein, Aruba
- Average wind speed in January:
33.1km/h - Average wind speed in February:
33.5km/h - Average wind speed in March:
33.6km/h - Average wind speed in April:
33.9km/h - Average wind speed in May:
34.5km/h - Average wind speed in June:
37.5km/h
- Average wind speed in July:
36.2km/h - Average wind speed in August:
33.4km/h - Average wind speed in September:
29.1km/h - Average wind speed in October:
26.7km/h - Average wind speed in November:
26.1km/h - Average wind speed in December:
32.4km/h
The windiest month (with the highest average wind speed) is June (37.5km/h).
The calmest month (with the lowest average wind speed) is November (26.1km/h).
Average humidity
Fontein, Aruba
The month with the highest relative humidity is May (83%).
The month with the lowest relative humidity is November (78%).
Average rainfall
Fontein, Aruba
The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days
Fontein, Aruba
- Average rainfall days in January:
16.2 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
10.6 days
- Average rainfall days in July:
12.2 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
20.9 days - Average rainfall days in November:
23.9 days - Average rainfall days in December:
22.6 days
The month with the highest number of rainy days is November (23.9 days).
The month with the least rainy days is June (10.6 days).
Average daylight / Average sunshine
Fontein, Aruba
- Average daylight in January:
11h and 30min - 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 42min - Average daylight in June:
12h and 48min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 24min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
8h and 36min - Average sunshine in February:
8h and 54min - Average sunshine in March:
8h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 12min - Average sunshine in August:
9h and 30min - Average sunshine in September:
9h and 24min - Average sunshine in October:
8h and 42min - Average sunshine in November:
8h and 24min - Average sunshine in December:
8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).
Average sunshine days
Fontein, Aruba
- Average sunshine days in January:
6.8 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
8 days - Average sunshine days in April:
8.9 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
5.8 days - Average sunshine days in November:
2.1 days - Average sunshine days in December:
3.3 days
The month with the most sunshine days is August (14.8 days).
The month with the least sunshine days is November (2.1 days).
Average UV index
Fontein, Aruba
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Fontein, Aruba
The months with the most cloud cover are March and November (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility
Fontein, Aruba
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).





