Last updated: August 27, 2025
March in Chiang Rai, Thailand, welcomes a mix of summer heat and refreshing breezes. With a maximum temperature soaring to 39°C (102°F) and an average of 25°C (78°F), the days can feel quite warm, while cooler nights drop to a comfortable 12°C (53°F). This month sees minimal rainfall, totaling only 13 mm (0.5 in) over just 2 days, allowing for ample sunshine and outdoor exploration. The humidity hovers around 38%, creating a generally pleasant atmosphere, making March an ideal time for visitors to enjoy the vibrant landscapes and rich culture of Chiang Rai.
In March, temperatures in Chiang Rai, Thailand begin to climb, heralding the approach of summer. The minimum temperature rises to a mild 12°C (53°F), while the average jumps to a comfortable 25°C (78°F), perfect for exploring the region's lush landscapes. As the days grow warmer, the maximum temperature soars to a sweltering 39°C (102°F), setting the stage for the hottest months ahead. This trend of increasing warmth not only offers a delightful shift from the cooler winter months, but also encourages a vibrant atmosphere where locals and visitors can fully embrace outdoor activities before the peak heat of April and May arrives.
In March, Chiang Rai experiences a noticeable transition as the dry season begins to give way to the impending monsoon. The month records a modest precipitation total of just 13 mm (0.5 in) over 2 rainfall days, indicating that while rain is still infrequent, the patterns are beginning to shift. This marks a decrease from February’s already minimal 16 mm, hinting at the upcoming April deluge, where precipitation spikes to 171 mm (6.7 in) across 13 days. As the region braces for the wetter months ahead, March serves as a gentle reminder of the changing climate, setting the stage for the dramatic rainfall that characterizes the following months.
In March, the humidity in Chiang Rai, Thailand, dips to a comfortable 38%, making it one of the driest months of the year. This marks a noticeable decline from February's 46%, providing a refreshing respite as the region transitions into the warmer months. As the season progresses into April and May, humidity levels begin to rise significantly, peaking at 63% in May, setting the stage for the sultry summer ahead. The pattern of fluctuating humidity highlights March as a sweet spot for outdoor activities before the monsoon season arrives, with June to August bringing much higher levels, sometimes soaring above 90%. Overall, the trend emphasizes the importance of March as a bridge between the dry and humid seasons in Chiang Rai.
As March arrives in Chiang Rai, Thailand, so too does an increase in the UV Index, peaking at a striking 13—classified as extreme exposure. This marks a significant rise from the previous months, where the Index hovered at 9 in January and 10 in February, indicating the intensifying sunlight as the region transitions into spring. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to adopt protective measures against the sun's potent rays. As the UV levels remain high throughout April and May, the trend suggests a continuing need for vigilance, reinforcing the importance of sun safety in this vibrant locale. For more information on the UV Index throughout the year, visit Chiang Rai UV Index.
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March in Chiang Rai, Thailand, heralds a delightful increase in sunshine, boasting 332 hours of brilliant daylight, a clear upward trend from 295 hours in February. This surge not only enlivens the landscape but also sets the stage for the vibrant festivities and explorations that the month invites. As the region transitions into April, the sun continues to shine bright, albeit slightly mellowing to 318 hours. The fluctuations in sunlight through the year reveal an enticing pattern, with the warm embrace of sunshine peaking during the early months before gradually tapering off, ideal for those seeking to uncover the beauty of this intriguing locale.
In Chiang Rai, Thailand, the likelihood of sunny weather sees an encouraging upward trend as March approaches, boasting an impressive 80% chance of sunshine. This increase follows a series of months where sunny days become more frequent; January and February stand at 69% and 73% respectively. However, this promising forecast quickly diminishes with the arrival of April and May, where the probability of sun plummets to around 39%. As the wet season begins in June, the chances of sunny weather drop significantly, hovering between 11% and 15% through the summer months. Overall, March emerges as a standout month for sun-seekers, offering a delightful window of warm, bright days before the rainy season takes hold.
In March, Chiang Rai experiences a delightful increase in daylight, with the sun gracing the skies for 12 hours each day. This marks a transition from the steady 11 hours of daylight seen in January and February, heralding the approach of longer days as the region embraces the warmth of spring. As the month progresses, the daylight gradually extends into April, matching the 12 hours seen in March. Following this, May sets a new trend with an impressive 13 hours of daylight, continuing through June and July, creating an ideal backdrop for outdoor adventures. Overall, March serves as a pivotal month in which daylight begins to bloom, promising a vibrant season ahead.
As March unfolds in Chiang Rai, Thailand, the gentle whispers of wind continue their steady rhythm, with an average speed of 1.4 m/s (3 mph)—mirroring the stillness of January. This month marks a transition, as the cool breezes of early spring linger, offering a refreshing respite from the heat that is to come. Although March holds onto the same wind speed as January, it hints at the forthcoming shifts of June, which will see a modest uptick to 1.6 m/s (4 mph). Overall, the prevailing trends show a gentle consistency in wind patterns during these months, creating a tranquil backdrop for the vibrant life that thrives in Chiang Rai.
Weather in Chiang Rai varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Chiang Rai, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in March and January, March generally offers warmer temperatures, with a minimum of 12°C (53°F) and an average of 25°C (78°F), peaking at a hot 39°C (102°F). In contrast, January tends to be cooler, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 33°C (91°F) and an average of 20°C (69°F). Additionally, January experiences more precipitation, averaging 39 mm (1.5 in) over around 4 days, whereas March sees significantly less rainfall at 13 mm (0.5 in) over just 2 days. Humidity is also higher in January, reaching 51% compared to March's 38%. For more details, check out Chiang Rai weather in January.
In March, the weather is warmer compared to February, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 39°C (102°F), resulting in an average of 25°C (78°F). February, on the other hand, has lower temperatures, with a minimum of 10°C (51°F) and a maximum of 35°C (96°F), averaging 22°C (72°F). Additionally, March experiences slightly less precipitation at 13 mm (0.5 in) over 2 days, compared to February’s 16 mm (0.6 in) over just 1 day. Humidity levels are also lower in March at 38%, compared to 46% in February. For more detailed information, check out Chiang Rai weather in February.
March and April in Chiang Rai showcase notable differences in weather patterns. March tends to be hotter, with average temperatures reaching 25°C (78°F) and highs soaring up to 39°C (102°F). It experiences minimal precipitation, only 13 mm, over just 2 days, resulting in relatively dry conditions with humidity at 38%. In contrast, April brings slightly cooler temperatures, with an average of 27°C (80°F) and a peak of 40°C (105°F). However, it is significantly wetter, receiving 171 mm of rain across 13 days, leading to a more humid atmosphere at 36%. For more specific insights on April weather, visit Chiang Rai weather in April.
When comparing the weather between March and May, notable differences emerge. In March, temperatures range from a minimum of 12°C (53°F) to a maximum of 39°C (102°F), with an average of 25°C (78°F). The month is relatively dry, receiving only 13 mm (0.5 in) of precipitation over just 2 days, accompanied by low humidity at 38%. In contrast, May sees a warmer minimum temperature of 20°C (69°F) and a slightly higher average of 27°C (82°F), peaking at 41°C (106°F). However, May is much wetter, with a substantial 203 mm (8.0 in) of rain falling over 19 days and humidity rising to 63%. For more details on May's weather, you can visit Chiang Rai weather in May.
March and June present contrasting weather patterns in Chiang Rai. In March, temperatures range from a minimum of 12°C (53°F) to a maximum of 39°C (102°F), with an average of 25°C (78°F) and relatively low humidity at 38%. Precipitation is minimal, only 13 mm (0.5 in) over just 2 days. In stark contrast, June experiences much warmer nights with a minimum temperature of 23°C (73°F) and a steadier average of 27°C (81°F). However, the weather is significantly wetter, with rainfall totaling 277 mm (10.9 in) spread over 25 days and a much higher humidity level of 81%. For a more detailed overview, check Chiang Rai weather in June.
In March, the weather is noticeably warmer with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 39°C (102°F), while experiencing relatively low humidity at 38% and minimal precipitation of just 13 mm (0.5 in) over two days. In contrast, July brings a much cooler temperature range from 22°C (72°F) to a maximum of 37°C (98°F), but it is characterized by high humidity at 83% and heavy rainfall, accumulating 327 mm (12.9 in) across 27 days. The stark differences in precipitation and humidity levels highlight the contrasting weather patterns between these two months. For more detailed information, you can check Chiang Rai weather in July.
In March, the weather is characterized by a warm climate, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 39°C (102°F). The month experiences low precipitation, totaling only 13 mm (0.5 in) over just two days, and humidity levels are relatively comfortable at 38%. In contrast, August brings a much wetter and more humid atmosphere, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 36°C (96°F). The month is marked by significant rainfall, accumulating 382 mm (15.1 in) spread over 28 days, leading to high humidity levels of 91%. For a closer look at what to expect during this wet season, you can find more details here: Chiang Rai weather in August.
March and September exhibit contrasting weather patterns. In March, temperatures range from a minimum of 12°C (53°F) to a maximum of 39°C (102°F), with an average of 25°C (78°F) and relatively low humidity at 38%. Precipitation is minimal, averaging just 13 mm (0.5 in) over only 2 days. In stark contrast, September experiences a milder temperature range, with a minimum of 20°C (68°F) and a maximum of 35°C (96°F), while the average temperature is slightly higher at 26°C (80°F). However, it is much wetter in September, receiving 260 mm (10.2 in) of rainfall over 24 days and experiencing high humidity at 83%. For a detailed look at the weather patterns in September, you can check Chiang Rai weather in September.
In comparing the weather between March and October, we observe notable differences in temperature and precipitation. March features a minimum temperature of 12°C (53°F) and a maximum of 39°C (102°F), with an average of 25°C (78°F) and only 13 mm (0.5 in) of precipitation over just 2 days, resulting in a relatively dry climate with a humidity level of 38%. In contrast, October experiences higher minimum temperatures at 18°C (65°F) and a cooler maximum of 34°C (93°F), with the average still at 25°C (78°F). However, the month is significantly wetter, with rainfall totaling 161 mm (6.3 in) spread across 19 days, leading to a much higher humidity level of 67%. For more specifics, you can check out Chiang Rai weather in October.
March and November showcase distinct weather patterns. In March, temperatures can reach as high as 39°C (102°F), with an average of 25°C (78°F), while November offers a more moderate max temperature of 33°C (93°F) and an average of 23°C (74°F). Precipitation levels also differ significantly; March sees only 13 mm (0.5 in) over 2 days, whereas November experiences 48 mm (1.9 in) spread across 9 days, resulting in a much higher humidity level of 60%. For more detailed information, check out Chiang Rai weather in November.
March and December showcase distinct weather patterns. In March, temperatures range from a minimum of 12°C (53°F) to a scorching maximum of 39°C (102°F), with an average of 25°C (78°F) and relatively low humidity at 38%. Precipitation is light, totaling only 13 mm (0.5 in) across just 2 days. In contrast, December brings cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 32°C (90°F), averaging around 20°C (68°F). The month experiences more substantial rainfall, accumulating 33 mm (1.3 in) over 4 days, and higher humidity at 56%. For more specifics on December weather, you can visit Chiang Rai weather in December.
March in Chiang Rai brings a warm embrace, with temperatures soaring and a noticeable reduction in humidity compared to the preceding months. This period witnesses a stark shift—while the days can be scorching with highs that touch 39°C (102°F), the evenings remain pleasantly cool, making it perfect for outdoor adventures. Rain is rare, with only a couple of days of light showers contributing to a modest total precipitation of just 13 mm (0.5 in). This unique blend of warmth and lower humidity marks March as a distinctive transition into the hotter months of the year. For those curious about how these changes fit into the broader pattern of the region's weather, explore more at Chiang Rai Climate.