March Weather in Nai Harn, Thailand

Last updated: August 27, 2025

In March, Nai Harn, Thailand, presents a delightful tropical climate characterized by an average temperature of 28°C (83°F), peaking at 30°C (87°F) and dipping to a comfortable 26°C (78°F). While the month enjoys ample sunshine, it also experiences 41 mm (1.6 in) of rainfall over 9 days, contributing to a humidity level that hovers around 74%. This blend of warmth and moisture creates a vibrant atmosphere perfect for exploring the stunning landscapes and rich culture of this coastal paradise.

March Temperature in Nai Harn

In Nai Harn, Thailand, the month of March ushers in slightly warmer temperatures, with minimums averaging around 26°C (79°F). Daytime highs typically reach a comfortable 30°C (87°F), while the overall average settles at a pleasant 28°C (83°F). This trend hints at the transition into the warmer months, as temperatures remain consistent from February. Throughout the early months of the year, both January and February exhibited similar ranges, signaling the stability of Thailand's tropical climate. As March progresses, visitors can expect balmy days perfect for lounging on beaches, but also a gradual reminder of the warmer days to come in April.

March Weather in Nai Harn: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Nai Harn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nai Harn, March 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).
JanFebMarAprMayJunJulAugSepOctNovDec818182828383838282818181
Data source: Temperature data for Nai Harn 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.

March Precipitation in Nai Harn

In March, Nai Harn, Thailand experiences a noticeable increase in precipitation, recording 41 mm (1.6 in) spread over 9 days. While this marks a slight uptick from the 15 mm (0.6 in) seen in February, it serves as a precursor to the more substantial rainfalls that characterize the upcoming months. As the region transitions towards the wet season, April's precipitation surges to 160 mm (6.3 in), setting the stage for May's peak at 225 mm (8.9 in). The trend underscores a pattern where March acts as a bridge between the drier winter months and the onset of the tropical monsoon, highlighting the dynamic climate of this picturesque locale.

March Precipitation Trends in Nai Harn

The chart displays monthly precipitation patterns in Nai Harn, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Nai Harn, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1171541160225202169174251294279174
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Nai Harn

In March, humidity in Nai Harn, Thailand hovers around 74%, slightly up from February's 73%. This month marks the transition to the warmer season, as the humidity begins to stabilize after a gradual decline from the high of 76% in January. Following this trend, April sees a further dip to 71%. As we progress toward the summer months, the early part of the year presents a relatively comfortable atmosphere, making it an ideal time for outdoor activities before the humidity rises dramatically in the latter part of the year, peaking at 84% in September and November. Overall, March strikes a balance, offering a refreshing backdrop as the landscape comes alive with the approach of peak tourist season.

March Average Humidity in Nai Harn

This chart illustrates the average monthly humidity levels in Nai Harn, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Nai Harn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%74%71%72%79%79%82%84%83%84%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Nai Harn

As March rolls into Nai Harn, Thailand, the UV Index reaches a peak of 15, maintaining the extreme exposure category that characterizes the region throughout the dry season. This high index underlines the consistent sunlight intensity that begins in January and persists until April, with burn times remaining dangerously short at just 10 minutes. Despite a slight dip in February, where the UV peaked at 14, March solidifies the trend of heightened UV exposure, marking it as a critical time for sun safety awareness. As temperatures rise and the days become longer, visitors and residents alike should take protective measures against the sun's rays. For more in-depth information, check out the Nai Harn UV Index.

Maximum UV Index Levels in Nai Harn for March

The chart shows the monthly maximum UV Index (UVI) for Nai Harn in March, 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 March, the maximum UV index in Nai Harn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151413131414141211
Data source: Nai Harn March 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.

March Sunshine in Nai Harn

March in Nai Harn, Thailand, shines with an impressive 345 hours of sunshine, marking it as one of the sunniest months of the year. This surge in sunlight follows a steady increase from the 312 hours in February, showcasing a thriving trend as winter transitions to spring. While April and May maintain a healthy dose of sunshine with 320 and 315 hours respectively, March clearly stands out as a radiant peak. As the year progresses, the sunlight begins to moderate slightly in the ensuing months, but the abundance of warmth in March invites visitors to revel in outdoor adventures and the stunning landscapes of this tropical paradise. Embrace the vibrant energy of March in Nai Harn, where the sun shines brilliantly, setting the perfect backdrop for unforgettable experiences.

Monthly Sunshine Duration in Nai Harn: March Highlighted

The March sunshine duration represents the total number of hours Nai Harn experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec260h312h345h320h315h305h323h319h292h293h287h311h
Data source: Nai Harn March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nai Harn During March

In Nai Harn, Thailand, March presents a satisfying balance of sunshine, boasting a 42% chance of clear skies. This is a notable decline from February's peak of 47%, yet still significantly higher than the upcoming months of April and May, where the odds drop to 21% and 16%, respectively. March serves as a transitional period, where beach-goers can enjoy pleasant weather before the rainy season takes hold. With the sun shining more frequently than in the summer months ahead, it's an ideal time for outdoor adventures and relaxation in this tropical paradise.

Percentage of Sunny Days in March in Nai Harn

The chart illustrates the percentage of sunny days in Nai Harn throughout the year, with March 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 Nai Harn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%47%42%21%16%21%19%12%9%9%3%38%
Data source: Nai Harn March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nai Harn in March

March marks a delightful transition in Nai Harn, Thailand, as daylight extends to 12 hours, offering an inviting boost from the consistent 11 hours seen in the preceding months. This increase signals the onset of spring, inviting both locals and visitors to revel in more time under the sun. Following this trend, daylight remains steady at 12 hours through to August, ensuring ample opportunity for outdoor adventures and relaxation. As the year progresses towards October, daylight begins to recede once again, echoing the natural rhythm of the seasons. Overall, March serves as a gentle reminder of the vibrant days ahead, encouraging exploration and connection in this beautiful coastal haven.

Average Daylight Hours in Nai Harn for March

The chart illustrates the variation in daylight duration in Nai Harn throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 42m11h 51m12h 4m12h 17m12h 28m12h 33m12h 30m12h 21m12h 8m11h 55m11h 45m11h 39m
Data source: Nai Harn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Nai Harn

As March unfolds in Nai Harn, Thailand, a gentle breeze characterizes the month, with an average wind speed of 4.1 m/s (9 mph), slightly softer than the preceding months. Following the brisk January and February, which boasted average speeds of 6.3 m/s and 5.5 m/s respectively, the winds begin to calm, signaling a transition into the warmer months ahead. This gradual decrease continues into April and May, where the wind remains steady at around 4.0 m/s and 3.9 m/s. However, come June, Nai Harn experiences a resurgence of wind activity, with speeds reaching 4.5 m/s, before the summer months pick up again. Such patterns reflect a blend of serenity and dynamism in Nai Harn’s climate, perfect for enjoying its stunning beaches and vibrant outdoor activities.

Average March Wind Speed in Nai Harn

The chart displays monthly wind speed patterns in Nai Harn, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.35.54.1 m/s4.03.94.55.35.04.34.74.25.4
Data source: Nai Harn March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Nai Harn Compares to Other Months

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

In comparing the weather between March and January, we see some notable differences. March enjoys slightly higher average temperatures, ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F), while January's temperatures range from 25°C (77°F) to 30°C (86°F). However, January experiences significantly more rainfall, with 117 mm (4.6 in) over 11 days, compared to March's 41 mm (1.6 in) over 9 days. Humidity remains relatively consistent, being slightly higher in January at 76% compared to March's 74%. For those interested in exploring January weather specifics, you can check Nai Harn weather in January.

In comparing the weather between March and February, we see that both months exhibit similar temperature ranges, with March having a slightly higher average temperature of 28°C (83°F) compared to February’s 27°C (82°F). Notably, March experiences more precipitation, with 41 mm (1.6 in) over 9 days, while February has only 15 mm (0.6 in) over 4 days. Humidity levels remain relatively steady between the two months, with March at 74% and February at 73%. For more details on February's weather specifically, you can check Nai Harn weather in February.

March and April exhibit relatively similar temperature patterns, with both months featuring a minimum temperature of around 25-26°C (78°F), an average of 28°C (83°F), and a maximum of 30°C (87°F). However, April experiences a significant increase in precipitation, totaling 160 mm (6.3 in) over 22 days, compared to March's 41 mm (1.6 in) over just 9 days. The humidity levels also reflect a slight decrease in April at 71%, versus 74% in March. For a more detailed look at April weather in Nai Harn, you can check out this link: Nai Harn weather in April.

March and May both showcase warm temperatures, with minimums around 26°C (78°F), averages at 28°C (83°F), and maximums peaking at about 30°C (86-87°F). However, the weather in May is notably wetter, receiving 225 mm (8.9 in) of precipitation over 26 days, compared to March's 41 mm (1.6 in) spread across just 9 days. The humidity levels are also slightly lower in May at 72% versus March's 74%, making the overall feel of May more humid. For more detailed insights, you can explore Nai Harn weather in May.

In March, the weather maintains a warm climate with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F). The month sees relatively moderate precipitation at 41 mm (1.6 in) spread over 9 days, resulting in a humidity level of 74%. In contrast, June experiences a similar temperature range, with a minimum of 25°C (78°F) and a maximum of 30°C (87°F). However, it is significantly wetter, receiving 202 mm (8.0 in) of rainfall over 23 days, leading to increased humidity at 79%. For more detailed insights, check out Nai Harn weather in June.

March and July showcase distinct weather patterns. In March, temperatures range from a minimum of 26°C (78°F) to a maximum of 30°C (87°F), with an average of 28°C (83°F) and relatively low precipitation of 41 mm (1.6 in) across 9 days, coupled with a humidity level of 74%. Conversely, July experiences slightly cooler temperatures, with a minimum of 26°C (79°F) and a maximum of 29°C (85°F), while maintaining the same average of 28°C (83°F). However, July is considerably wetter, with rainfall reaching 169 mm (6.7 in) over 17 days and increased humidity at 79%. For more details, check Nai Harn weather in July.

In March, the weather is generally warm and pleasant, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F). The month experiences some rainfall, accumulating to about 41 mm (1.6 in) over approximately 9 days, and the humidity sits at around 74%. In contrast, August sees similar average temperatures, but with a slightly lower minimum of 25°C (77°F) and a maximum of 30°C (86°F). However, August is much wetter, with precipitation reaching 174 mm (6.8 in) over about 20 days, and humidity levels rising to 82%. For more details on August weather in Nai Harn, you can visit Nai Harn weather in August.

March and September display notable differences in weather, although both months have similar average temperatures, with March slightly warmer. In March, the minimum temperature hovers around 26°C (78°F) with a maximum reaching 30°C (87°F), accompanied by relatively low precipitation of 41 mm (1.6 in) over just 9 days. In contrast, September experiences a minimum temperature of 25°C (78°F) and a maximum of 29°C (85°F), but it sees significantly higher rainfall, accumulating 251 mm (9.9 in) over 24 days. Additionally, humidity levels are higher in September at 84%, compared to March's 74%. For a more detailed look at September's climate, check out Nai Harn weather in September.

The weather in March and October shows distinct differences, particularly in terms of temperature and precipitation. In March, temperatures range from a minimum of 26°C (78°F) to a maximum of 30°C (87°F), with an average of 28°C (83°F). This month experiences relatively low rainfall, totaling 41 mm (1.6 in) over about 9 days, and humidity is at 74%.

In contrast, October is characterized by slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), averaging at 27°C (81°F). However, this month sees a significant increase in rainfall, with 294 mm (11.6 in) spread across 26 days, leading to higher humidity levels at 83%. For a more detailed look at October weather, you can check out Nai Harn weather in October.

When comparing the weather in March and November, both months showcase warm temperatures, with average highs reaching 30°C (87°F). March tends to have slightly higher average temperatures, peaking at 30°C (87°F) with a minimum of 26°C (78°F), while November has a maximum of 30°C (87°F) but slightly cooler lows at 25°C (76°F). However, November is significantly wetter, receiving 279 mm (11.0 in) of precipitation over 25 days, compared to March's 41 mm (1.6 in) across just 9 days. The humidity also rises in November to 84%, which is higher than March's 74%. For more detailed information on this month, you can check Nai Harn weather in November.

In March, the weather is generally warm and slightly drier, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F) and an average of 28°C (83°F). This month sees about 41 mm (1.6 in) of precipitation over roughly 9 days and a humidity level of 74%. In contrast, December experiences similar average temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (87°F). However, it is significantly wetter, receiving 174 mm (6.9 in) of rainfall across 14 days, and the humidity rises to 84%. For a detailed look at December weather specifics, check out Nai Harn weather in December.

Compare Nai Harn's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Nai Harn

As March unfolds in Nai Harn, the weather begins to transition toward the warmer months, marked by more consistent temperatures and a hint of humidity in the air. While the maximum heat edges higher, averaging a comfortable warmth that encourages outdoor activities, precipitation still plays a role with several rainy days sprinkled throughout the month. Compared to the cooler preceding months, March offers a pleasant balance that beckons visitors to enjoy the vibrant landscapes without the peak heat of later months. Dive deeper into what you can expect throughout the year by exploring the full details of Nai Harn Climate.