Last updated: August 28, 2025
In January, Sa Pa, Vietnam, experiences a captivating blend of temperatures and weather patterns, making it a unique destination for visitors. The maximum temperature can reach 26°C (78°F), while the average hovers around a comfortable 14°C (57°F), dropping to a cool minimum of 2°C (35°F) at night. Whether you’re trekking through the lush hills or exploring the vibrant culture, expect about 101 mm (4.0 in) of precipitation spread over 13 rainy days, adding a refreshing touch to the winter landscape. With a humidity level of 57%, the atmosphere feels crisp yet invigorating, offering a perfect backdrop for adventure and relaxation alike.
In January, Sa Pa greets visitors with a cool embrace, where temperatures range from a chilly 2°C (35°F) at night to a pleasant 26°C (78°F) by day, averaging around 14°C (57°F). As the months progress, the region gradually warms, with February showing a slight increase, maintaining a steady average. By the arrival of March, mornings still carry a briskness at 10°C (50°F), but the afternoons bring a more inviting atmosphere, peaking at 30°C (86°F). This gentle rise continues into April and May, reaching highs of 33°C (92°F) and 34°C (93°F) respectively, indicating the transition toward the warmer season. Interestingly, the warmth persists through the summer months, with July and August averaging around 24°C (75°F) as evenings remain comfortably mild. By the time October rolls in, the temperatures begin their decline, mirroring the coolness felt in January, while November sets the stage for winter's return. Thus, January in Sa Pa not only marks the start of the year but also serves as a refreshing herald of the climatic shifts that follow.
In January, Sa Pa experiences a moderate precipitation of 101 mm (4.0 in), spread across approximately 13 days. This sets the tone for a wet season, characterized by a gradual increase in rainfall leading into the coming months. February sees a slight decrease to 88 mm (3.5 in) over 17 days, but the trend shifts dramatically by March, where precipitation skyrockets to 162 mm (6.4 in) across 22 days. The region starts to enter its peak rainy season by June, with rainfall reaching a staggering 303 mm (11.9 in) over 29 days. The heaviest downpour occurs in August, accumulating 455 mm (17.9 in) across 29 days—a clear indicator of the monsoon's full force. As the year progresses towards winter, both precipitation and rainy days taper off, culminating in the driest months of November and December, with only 66 mm (2.6 in) and 65 mm (2.6 in) respectively. This pattern underscores a distinct seasonal fluctuation in Sa Pa's climate, making it a unique destination for experiencing both the lush vibrancy of wet weather and the serene tranquility of drier periods.
In January, Sa Pa, Vietnam experiences a moderate humidity level of 57%, setting the tone for the winter months. As the year progresses, humidity climbs steadily, peaking at a muggy 90% in both July and August. This pattern reflects the region's transition into a hot, humid summer, where the lush landscapes thrive. Interestingly, February kicks off a notable increase, climbing to 67%, suggesting that while January offers a drier escape, the subsequent months herald a shift towards a more tropical humidity. As the year winds down, humidity levels gradually decrease, culminating in December's 69%, hinting at the return to the drier, cooler season. Overall, the annual humidity in Sa Pa showcases a distinct fluctuation, emphasizing both the charm of winter and the intense moisture of summer.
In January, the UV Index in Sa Pa, Vietnam, is notably high at 8, indicating a very high exposure category with a burn time of just 15 minutes. As the months progress into February, the index climbs to 10, still maintaining that very high risk. However, the real leap occurs in March and April, when the UV Index soars to 13, marking the beginning of an extreme exposure category alongside a reduced burn time of only 10 minutes. This extreme trend continues through the summer months, peaking at 15 in May and July. Interestingly, while August through September sees a slight dip to 14, the danger remains significant. As the year draws to a close, November experiences a drop to 9, and December further declines to 7, indicating better conditions but still requiring vigilance, especially given the high exposure category of December. For a detailed overview of UV conditions throughout the year, visit Sa Pa UV Index.
UV Risk Categories
In January, Sa Pa welcomes a gentle embrace of sunshine with 180 hours of daylight, setting the stage for a tranquil winter getaway. As the month progresses into February, the sun starts to shine brighter, offering 231 hours as the region shakes off the chill. This upward trend continues into March, where the days stretch even longer, reaching 278 hours, hinting at the approaching warmth of spring. April maintains this momentum with 263 hours, while May bursts beautifully with 315 hours of sunshine, making it the sunniest month of the year. The sunny days remain abundant through June, July, and August, exhibiting a slight decline yet holding steady with around 275 hours. As summer fades into fall, September sees a resurgence with 290 hours, followed by a gradual tapering through October and November at 269 and 239 hours, respectively. Even in December, Sa Pa enjoys 251 hours of sunlight, ensuring that the serenity of this enchanting destination lingers throughout the year.
In January, the likelihood of sunny weather in Sa Pa, Vietnam stands at 33%, setting a tone that stays remarkably consistent through early spring, with February inching up slightly to 34%. As the months progress into March, the chances of sunshine rise significantly to 45%, marking a peak in the early part of the year. After March, however, the trend shifts again; April and May revert to a 33% chance, while the summer months see a steep decline, with June and July plummeting to 10% and 12%, respectively. This seasonal dip continues through August, but the skies begin to clear once more in September with a 30% chance, wrapping up the cloudy days as October and November settle at 26% and 21%, before returning to a sunnier December at 43%. Overall, while January offers a fair chance for sun, the trend indicates a significant increase in sunshine as spring approaches, followed by a notable decline during the summer months.
In Sa Pa, Vietnam, the daylight duration in January marks the beginning of a gradual transition towards longer days. With approximately 10 hours of daylight, January sets the stage for an uplifting progression that continues through the year. By February, daylight extends to 11 hours, hinting at the approaching spring. The trend continues, peaking in the vibrant months of May to July, where日照时间 reaches an impressive 13 hours daily. As summer wanes, the light begins to dwindle again, with 12 hours in August and September, before tapering back down to 11 hours in October and November. By December, daylight slips back to 10 hours, offering a sense of closure to the year’s cycle. This rhythmic ebb and flow of sunlight not only marks the seasons but also enhances the enchanting atmosphere of Sa Pa, inviting both locals and travelers to embrace the beauty of each lingering daylight hour.
In January, the winds in Sa Pa, Vietnam blow gently at an average speed of 1.2 m/s (3 mph), creating a serene atmosphere that complements the cool mountain air. This steady breeze is characteristic of the winter months, where wind speeds remain mostly stable, dipping slightly to 1.1 m/s (3 mph) in February and later rising to 1.3 m/s (3 mph) by March. As the seasons transition into spring, the consistent breezes of early months give way to slightly stronger gusts, reflecting the gradual warming of the region. Overall, January showcases a tranquil wind pattern, setting the stage for the vibrant natural beauty that Sa Pa is renowned for, while offering a delightful experiences as visitors explore this enchanting mountainous retreat.
Weather in Sa Pa varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sa Pa, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February in Sa Pa exhibit similar average temperatures, hovering around 14°C (57°F), but February tends to have slightly higher minimum and maximum temperatures, with lows of 4°C (39°F) and highs reaching 27°C (82°F). While January records 101 mm (4.0 in) of precipitation over 13 days, February sees a decrease in total precipitation to 88 mm (3.5 in), albeit spread across more days, totaling 17. The humidity also rises in February to 67%, compared to January's 57%, contributing to a slightly more humid atmosphere. For more detailed insights, check out Sa Pa weather in February.
January and March present notable differences in weather patterns. In January, the temperatures range from a minimum of 2°C (35°F) to a maximum of 26°C (78°F), with an average temperature of 14°C (57°F). This month experiences 101 mm (4.0 in) of precipitation over 13 days, coupled with a humidity level of 57%. In contrast, March sees milder conditions with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), averaging 18°C (65°F). Precipitation increases to 162 mm (6.4 in) over 22 days, and humidity slightly rises to 58%. For more detailed information about March weather, you can refer to Sa Pa weather in March.
In January, the weather features a milder temperature range with minimums around 2°C (35°F) and maximums reaching up to 26°C (78°F), resulting in an average of 14°C (57°F). The month sees about 101 mm (4.0 in) of precipitation spread over 13 days, contributing to a humidity level of 57%.
In contrast, April brings warmer temperatures, with lows of 8°C (47°F) and highs soaring to 33°C (92°F), giving an average temperature of 20°C (69°F). However, April is also rainier, with precipitation accumulating to 218 mm (8.6 in) over 21 days, while maintaining a slightly lower humidity at 53%. For a more detailed look at weather patterns during this time, you can visit Sa Pa weather in April.
In January, the weather is quite cool, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (78°F), and an average of 14°C (57°F). The month sees moderate rainfall, accumulating about 101 mm (4.0 in) over 13 days, with a humidity level of 57%. In contrast, May brings much warmer conditions, with temperatures starting at a minimum of 13°C (56°F) and reaching up to 34°C (93°F), with an average temperature of 23°C (74°F). However, May is also wetter, experiencing 172 mm (6.8 in) of precipitation over 26 days, and slightly higher humidity at 69%. For more detailed insights into the weather in May, you can visit Sa Pa weather in May.
In January, the weather is relatively mild, with temperatures ranging from a cool 2°C (35°F) at night to a warm 26°C (78°F) during the day, accompanied by 101 mm (4.0 in) of precipitation over 13 days and a humidity level of 57%. In stark contrast, June brings much warmer temperatures, starting at a minimum of 18°C (65°F) and peaking at 31°C (89°F), along with a significant increase in precipitation to 303 mm (11.9 in) over 29 days and higher humidity at 83%. This shift reflects a clear transition from the cooler, drier climate of January to the hot, humid conditions typical of June. For more detailed information, you can check Sa Pa weather in June.
In January, the weather tends to be moderately cool, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (78°F), and an average of 14°C (57°F). The month experiences 101 mm (4.0 in) of precipitation over approximately 13 days, accompanied by a moderate humidity of 57%. In contrast, July is significantly warmer, with temperatures starting at 20°C (68°F) and peaking at 32°C (90°F), averaging around 24°C (75°F). However, this warmth comes with a substantial increase in rainfall, totaling 350 mm (13.8 in) over 30 days, resulting in much higher humidity levels at 90%. For a detailed look at the weather conditions in July, you can visit Sa Pa weather in July.
In January, the weather is relatively mild with temperatures ranging from a chilly 2°C (35°F) at night to a comfortable 26°C (78°F) during the day, averaging around 14°C (57°F). The month experiences moderate precipitation, with 101 mm (4.0 in) falling over 13 days, and a humidity level of 57% that adds to the cool atmosphere.
In contrast, August brings a significant increase in warmth and humidity, with minimum temperatures starting at 20°C (68°F) and peaking at 31°C (89°F), averaging 24°C (75°F). This month is notably wetter, with 455 mm (17.9 in) of rainfall spread over 29 days, creating a moist environment with humidity soaring to 90%. For more details on the weather during this humid month, check out Sa Pa weather in August.
In January, the weather features cooler temperatures, with a minimum of 2°C (35°F) and an average of 14°C (57°F), reaching a maximum of 26°C (78°F). The month sees moderate precipitation with 101 mm (4.0 in) spread over 13 days, and the humidity level sits at 57%. In contrast, September offers a much warmer climate, with minimum temperatures at 15°C (59°F) and average highs of 23°C (74°F), peaking at 31°C (88°F). However, this month is considerably wetter, with 208 mm (8.2 in) of rainfall over 25 days and humidity levels rising to 81%. For more details on the weather specifics in this beautiful region, check Sa Pa weather in September.
In January, the weather features a mild temperature range with minimums around 2°C (35°F) and maximums reaching up to 26°C (78°F), resulting in an average of 14°C (57°F). Precipitation is moderate at 101 mm (4.0 in) over 13 days, contributing to a relative humidity of 57%. In contrast, October shows a warmer climate with minimums of 12°C (54°F) and maximums of 29°C (84°F), averaging 20°C (69°F). However, it experiences heavier rainfall, accumulating 178 mm (7.0 in) over 21 days, and the humidity rises to 75%. For a more detailed look at October's weather patterns, you can visit Sa Pa weather in October.
January typically experiences a wider temperature range, with minimums of 2°C (35°F) and maximums reaching up to 26°C (78°F), resulting in a pleasant average of 14°C (57°F). In contrast, November is generally milder, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 27°C (80°F), leading to a higher average temperature of 17°C (64°F). Precipitation in January is notably higher at 101 mm (4.0 in) over 13 days, compared to November's 66 mm (2.6 in) across 14 days. Additionally, humidity levels are significantly elevated in November at 74%, compared to January's 57%. For more insights into the weather in November, check out Sa Pa weather in November.
In comparing the weather patterns of January and December, one can observe that both months maintain similar temperature ranges, with a minimum of 2°C (35°F), an average of 14°C (57°F), and a maximum of 26°C (78°F). However, January tends to be wetter, experiencing 101 mm (4.0 in) of precipitation over 13 days, compared to December's 65 mm (2.6 in) across 10 days. Additionally, January's humidity is slightly lower at 57%, while December has a higher humidity level of 69%. For a more detailed look at the climate specifics of December, you can explore Sa Pa weather in December.
As January settles in Sa Pa, the weather distinctly transforms, offering a refreshing break from the milder conditions of other months. The average temperature hovers around a chilly 14°C, with highs reaching up to 26°C and lows dipping to a brisk 2°C. While precipitation is fairly common, with about 101 mm falling over 13 days, the humidity remains moderate at 57%, adding to the crisp atmosphere. This month is marked by cooler temperatures and a higher likelihood of rain, making it a fascinating time for those seeking to experience the unique charm of Sa Pa's winter climate. For a deeper dive into the seasonal patterns, explore Sa Pa Climate.