June Weather in Alajuela, Costa Rica

Last updated: August 21, 2025

In June, Alajuela, Costa Rica, experiences a vibrant and lush transformation marked by a maximum temperature of 27°C (81°F) and an average of 21°C (70°F), providing a comfortable warmth nestled within the tropical climate. Nights cool down with a minimum of 16°C (60°F), inviting refreshing breezes. However, this month is characterized by significant precipitation, averaging 351 mm (13.8 in) over 27 rainy days, contributing to the region's lush greenery. The high humidity of 84% further enhances the tropical feel, making June a quintessential month to witness the beauty of Alajuela's natural landscapes in full bloom.

June Temperature in Alajuela

In June, Alajuela, Costa Rica, experiences mild temperatures that reflect the beginning of the green season. The month sees a minimum temperature of 16°C (60°F), while average daily highs reach around 27°C (81°F). With an average temperature of 21°C (70°F), the weather remains comfortably warm, facilitating plenty of opportunities for outdoor activities. Notably, temperatures in June are slightly lower than those in May, signaling a transition to a cooler and more refreshing climate as the rains begin to nourish the region's lush landscapes. This makes June an inviting time for visitors to explore the vibrant natural beauty of Alajuela while enjoying pleasant weather.

June Weather in Alajuela: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Alajuela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alajuela, June typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686969706969696968686868
Data source: Temperature data for Alajuela generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Alajuela

In June, Alajuela, Costa Rica, experiences a significant surge in rainfall, with a robust precipitation amount of 351 mm (13.8 in) recorded over the month. This period falls within the peak of the rainy season, aligning with May's already impressive totals of 391 mm (15.4 in). Both months see 27 days of precipitation, indicating almost daily showers that play a vital role in nurturing the lush biodiversity of the region. Following the trend, July sees a decline in rainfall to 233 mm (9.2 in), yet the wet season remains strong, as subsequent months like August and September follow suit with 331 mm (13.0 in) and 436 mm (17.2 in) respectively. This pattern showcases a consistent and vibrant monsoon climate that characterizes Alajuela's early summer.

June Precipitation Trends in Alajuela

The chart displays monthly precipitation patterns in Alajuela, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Alajuela, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3213157939135123333143657020963
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Alajuela

In June, Alajuela, Costa Rica, experiences a significant shift in humidity levels, peaking at an impressive 84%. This notable increase follows a stable range of 66-69% from January to May, indicating the onset of the wet season. The transition to June brings a marked rise in moisture, which continues into July with an even higher humidity of 85%. Throughout the summer months, the humidity remains elevated, reflecting the region's lush, tropical climate. As the year progresses, humidity gradually tapers off from August to October, settling at 82% in August and 80% in both October and November, revealing a consistent pattern where the peak humidity aligns with the rainy season, enhancing the vibrant landscape of Alajuela.

June Average Humidity in Alajuela

This chart illustrates the average monthly humidity levels in Alajuela, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Alajuela is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Alajuela

In June, Alajuela, Costa Rica, continues to experience extreme UV index levels, maintaining a rating of 14, similar to the previous month. This consistent rating underscores the region's persistent sun intensity, with a burn time of just 10 minutes. As we transition from May to June, it's clear that the risk of sun exposure remains high, prompting both locals and visitors to prioritize sun safety measures. The UV index remains elevated through the following months of July and August, before slightly tapering off in September. For more detailed information on UV exposure throughout the year, visit Alajuela UV Index.

Maximum UV Index Levels in Alajuela for June

The chart shows the monthly maximum UV Index (UVI) for Alajuela in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Alajuela typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141313141210
Data source: Alajuela June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

June Sunshine in Alajuela

June in Alajuela, Costa Rica, sees a subtle dip in sunshine, with 226 hours of glorious daylight, making it slightly less luminous than the bustling months of March and April. As the rainy season kicks in, the hours of sunshine reflect a gentle decline after the peak of 329 hours in March. Despite this decrease, June still offers a beautiful mix of sunshine and rain, inviting visitors to explore the lush landscapes and vibrant culture. Following the trend set by earlier months, June's sunny hours are a reminder that even during the rainier season, Alajuela remains a captivating destination filled with natural beauty and warm smiles.

Monthly Sunshine Duration in Alajuela: June Highlighted

The June sunshine duration represents the total number of hours Alajuela experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec249h296h329h300h235h226h209h213h230h211h229h291h
Data source: Alajuela June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alajuela During June

In Alajuela, Costa Rica, the likelihood of sunny weather takes a significant dip as you transition into June, with just a 14% chance of clear skies. This trend follows a pattern of declining sunshine from the start of the year, where January boasts a healthy 52%, gradually tapering off towards the mid-year months. As the rainy season sets in, June marks a continued decrease, closely mirroring the sunless outlook of May with only a slight uptick in July. Travelers seeking the golden rays might be better off planning their visit for earlier or later months, as the chances of sunny weather dwindle to their lowest around this time, making Alajuela's sunnier months appear quite precious.

Percentage of Sunny Days in June in Alajuela

The chart illustrates the percentage of sunny days in Alajuela throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Alajuela experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%48%45%20%14%14%17%6%8%14%27%50%
Data source: Alajuela June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alajuela in June

In June, Alajuela, Costa Rica experiences an enchanting 12 hours of daylight, maintaining the trend of extended light hours that began in March. This consistent duration of daylight not only highlights the region's tropical climate but also showcases a beautiful equilibrium that continues through July and August. As the year progresses into September, daylight remains unwavering at 12 hours, creating an idyllic setting for outdoor explorations and vibrant cultural activities. Following this period of light, Alajuela gently transitions into the shorter days of October and November, where daylight dips back to 11 hours. This rhythm of daylight duration reflects the harmony of nature in the region, offering residents and visitors alike a radiant experience throughout the early summer months.

Average Daylight Hours in Alajuela for June

The chart illustrates the variation in daylight duration in Alajuela throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 38m11h 32m
Data source: Alajuela daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Alajuela

In June, Alajuela, Costa Rica, experiences its mildest winds of the year, with an average speed of just 1.2 m/s (3 mph). This gentle breeze marks a noticeable dip from the slightly stronger winds of earlier months, such as January's 2.4 m/s. Following the dry season, when winds tend to pick up, the transition into the rainy season brings a calmer atmosphere, with June's conditions setting the stage for a more tranquil environment. Interestingly, the wind picks up again in July, suggesting that while June may be subdued, the dynamic weather patterns of the region are far from static, creating a refreshing contrast as the year progresses. Overall, June serves as a serene interlude before the winds regain their characteristic dance in the following months.

Average June Wind Speed in Alajuela

The chart displays monthly wind speed patterns in Alajuela, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.22.31.71.51.2 m/s1.51.11.21.11.72.1
Data source: Alajuela June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Alajuela Compares to Other Months

Weather in Alajuela varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Alajuela, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in June and January, June tends to be significantly wetter and more humid. In June, temperatures range from a minimum of 16°C (60°F) to a maximum of 27°C (81°F), with an average temperature of 21°C (70°F). This month experiences high precipitation, totaling 351 mm (13.8 in) over 27 days, resulting in a humidity level of 84%. In contrast, January offers a milder climate, with temperatures ranging from a minimum of 13°C (56°F) to the same maximum of 27°C (82°F). The average temperature in January is slightly lower at 20°C (68°F), and it sees much less precipitation, totaling just 32 mm (1.3 in) over only 6 days, accompanied by a lower humidity of 68%. For more detailed information, visit Alajuela weather in January.

June and February present quite different weather patterns. June features a temperature range from a minimum of 16°C (60°F) to a maximum of 27°C (81°F), with an average of 21°C (70°F). The month is characterized by high humidity at 84% and considerable precipitation, receiving 351 mm (13.8 in) over 27 days. In contrast, February experiences slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 28°C (83°F), averaging around 20°C (69°F). February's weather is relatively dry, with only 13 mm (0.5 in) of rain over just 3 days, resulting in lower humidity at 68%. For more detailed insights into February weather, visit Alajuela weather in February.

In comparing the weather between March and June, both months have similar average temperatures at 21°C (70°F), but June tends to be cooler at night with a minimum of 16°C (60°F) compared to March's minimum of 14°C (57°F). June is significantly wetter, with a hefty 351 mm (13.8 in) of rain over 27 days, whereas March sees only 15 mm (0.6 in) of precipitation across just 4 days. Additionally, humidity levels are higher in June at 84%, contrasting with March's relatively comfortable 66%. For more details, you can check Alajuela weather in March.

When comparing the weather in June and April, both months exhibit a similar average temperature of 21°C (70°F). However, June tends to be cooler at night with a minimum temperature of 16°C (60°F), while April is slightly warmer with a minimum of 15°C (58°F). April also boasts a higher maximum temperature of 29°C (85°F) compared to June's 27°C (81°F). Precipitation levels significantly differ, with June experiencing a much higher rainfall of 351 mm (13.8 in) over 27 days, as opposed to April's 79 mm (3.1 in) over 16 days. Additionally, humidity levels are considerably higher in June at 84%, compared to April’s 67%. For more details about April's climate, visit Alajuela weather in April.

In June, the weather remains similar to May with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 27°C (81°F). Both months share an average temperature of around 21°C (70°F), but June experiences slightly lower maximum temperatures compared to May, where the highs reach up to 28°C (83°F). Precipitation levels are notably high in both months, with June receiving 351 mm (13.8 in) of rain over 27 days, while May sees an even higher total of 391 mm (15.4 in) during the same number of days. Additionally, June is more humid, sitting at 84%, compared to May's 69%. For more detailed information, you can check Alajuela weather in May.

In comparing the weather of June and July, we find that both months share similar temperature patterns, with June and July featuring minimum temperatures around 16°C (60°F), average temperatures of approximately 21°C (70°F), and maximum temperatures peaking at 27°C (81°F). However, June experiences significantly higher precipitation, totaling 351 mm (13.8 in) with rain on 27 days, while July sees a decrease in rainfall to 233 mm (9.2 in) over 26 days. Humidity remains quite high in both months, with June at 84% and July slightly higher at 85%. For more details on July weather, you can visit Alajuela weather in July.

In comparing the weather of June and August, we see some notable similarities and differences. Both months experience a minimum temperature of 16°C (60°F), while June tends to be slightly warmer on average at 21°C (70°F) compared to August's average of 20°C (69°F). Interestingly, August has a higher maximum temperature of 28°C (82°F) compared to June's maximum of 27°C (81°F).

Rainfall is quite significant in both months, with June receiving approximately 351 mm (13.8 in) over 27 days and August experiencing slightly less at 331 mm (13.0 in) across 26 days. Humidity remains high in both months, with June at 84% and August at 82%. For a more detailed understanding of August weather, you can check out Alajuela weather in August.

June and September exhibit quite similar temperatures, with both months experiencing daily maximums around 27°C (81°F) and minimums between 15°C (60°F) and 16°C (60°F). However, September tends to see slightly cooler average temperatures, with an average of 20°C (69°F) compared to June's 21°C (70°F). Notably, September has more precipitation, totaling 436 mm (17.2 in) over 28 days, in contrast to June's 351 mm (13.8 in) spread across 27 days. Despite the higher rainfall in September, humidity remains relatively consistent, with June at 84% and September at 81%. For more detailed insights into the weather during this month, check out Alajuela weather in September.

June and October weather in Alajuela present some notable similarities and differences. Both months experience similar temperature ranges, with daily highs reaching up to 27°C (81°F) and lows around 15-16°C (60°F). However, October receives significantly more precipitation, with a total of 570 mm (22.4 in) over 29 days compared to June's 351 mm (13.8 in) over 27 days. Despite the increase in rainfall, October's humidity remains slightly lower at 80%, compared to June's 84%. For more detailed information, you can check Alajuela weather in October.

When comparing the weather in June and November, both months share relatively mild temperatures, with June exhibiting a slight edge in warmth. June's average temperature peaks at 21°C (70°F), while November averages a bit cooler at 20°C (68°F). However, June is marked by significantly higher rainfall, totaling 351 mm (13.8 in) over 27 days, compared to just 209 mm (8.2 in) over 19 days in November. Additionally, humidity levels are fairly high in both months, with June at 84% and November slightly lower at 80%. For more detailed insights about November's climate, you can check Alajuela weather in November.

In June, Alajuela experiences warmer temperatures with a range from a minimum of 16°C (60°F) to a maximum of 27°C (81°F) and an average of 21°C (70°F). However, this month also brings significant rainfall, with 351 mm (13.8 in) of precipitation spread over 27 days, contributing to a high humidity level of 84%. In contrast, December offers slightly cooler temperatures, with a minimum of 15°C (58°F) and a maximum of 26°C (80°F), averaging at 20°C (68°F). Precipitation drops substantially to 63 mm (2.5 in) over just 11 days, bringing the humidity down to 72%. For more specific details, you can check Alajuela weather in December.

Compare Alajuela's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Alajuela

As June arrives in Alajuela, locals and visitors alike can expect mild temperatures that average around 21°C, creating a comfortable atmosphere perfect for exploring the lush landscapes. However, this month is defined by significant rainfall, with precipitation making its presence felt nearly every day, contributing to the region’s vibrant greenery. The increased humidity of 84% sets this month apart from drier periods, resulting in a lively, refreshing environment. For those wishing to delve deeper into the weather patterns and climate nuances throughout the year, additional insights can be found at Alajuela Climate.