Climate and monthly weather forecast
Sa Pả, Vietnam

Located in the northern Vietnam's mountainous terrain, Sa Pả basks in a predominantly Humid Subtropical climate, indicated by the Köppen climate classification as Cfa. This classification is a signal for mostly warm temperatures throughout the year, rainfall that persists in all months, usually high humidity, and an absence of dry season.

Throughout the year, average temperatures in Sa Pả vary from 5°C (41°F) in January to 23.3°C (73.9°F) in July. It seems that the highest average temperatures come in the middle of the year, from May to August, all hanging above 22°C (71.6°F). Temperatures usually drop to the lower end with the onset of the cooler months, particularly from November through February, with averages below 18°C (64.4°F).

Relative humidity in Sa Pả stays reasonably constant through the year, ranging from 82% to 93%. Predictably, months with the highest rainfall also yield the highest relative humidity. The rain is a frequent companion in Sa Pả, starting from 8 days in the less wet months, January and February, up to 23 days in August. An impressive trend is seen in monthly rainfall, increasing steadily from January, 41mm (1.61"), and reaching its peak in July and August with a significant leap to 480mm (18.9").

Daylight varies in Sa Pả, from 10.8 hours in December to 13.5 hours in June, with summer months boasting the most extended daylight durations. Average sunshine hours are moderate throughout the year, never exceeding 5.7 hours in April nor dropping below 3.2 hours during June. UV index is at its highest level of 12 from March to September, indicating a high risk of harm from unprotected sun exposure.

Considering the weather conditions, the best time to visit Sa Pả is typically from March to May. During these months, the average temperatures are comfortably warm but not excessively hot, varying from 18.3°C (64.9°F) to 22.8°C (73°F), and rainfall is moderate compared to the summer months. Additionally, longer daylight hours and slightly higher sunshine hours make these months appealing for outdoor activities.

The period from June to August is considered, weather-wise, not the most favorable time to visit Sa Pả. These months experience the heaviest rainfall, with up to 480mm (18.9") in both July and August, and 22 to 23 rainy days per month, which might hinder outdoor activities. The temperatures during these months also soar to their highest in the year, with average highs at 22.8 to 23.3°C (73.9°F).

Spring in Sa Pả, from March to May, is comfortably warm, with temperatures ranging from 18.3°C (64.9°F) to 22.8°C (73°F). The rainfall increases gradually during this period, from 119mm (4.69") in March to 371mm (14.61") in May. Relative humidity also spikes up to 85% by May. The period offers longer daylight hours, from 12 to 13.2 hours, and moderate to good sunshine hours, from 5.1 to 5.7 hours.

The summer period from June to August in Sa Pả is characterized by a surge in rainfall, reaching a peak of 480mm (18.9") in July and August. The temperatures also hit their yearly high during these months, all above 22°C (71.6°F), with highest average at 23.3°C (73.9°F) in July. Despite the rain, sunshine hours keep low profile, with numbers as modest as 3.2 to 3.6 hours, but daylight stays plentiful, exceeding 13 hours.

In contrast to summer, autumn, from September to November, sees a clear decrease in both rainfall and temperatures. Rainfall significantly drops to 320mm (12.6") in September and steps down to 119mm (4.69") in November. Temperatures trend down from 22.2°C (72°F) in September to 17.2°C (63°F) in November. The daylight hours gradually decrease, but the sunshine hours make slight improvement.

The winter months in Sa Pả, December through February, are characterised by the lowest temperatures, going from 13.9°C (57°F) in December down to 11.1°C (52°F) in February. The rainfall is at its lowest during these months, with a minimum of 41mm (1.61") in December and January. Despite shorter daylight hours, from 10.8 to 11.4 hours, sunshine hours stay consistently above 3.7 hours throughout the winter months. Humidity levels during this period range from 86% to 92%.

January in Sa Pả, Vietnam, marks the beginning of the year with cooler temperatures. This time brings an overall refreshing atmosphere, pleasant for outdoor activities. Remarkably, the relative humidity sits at 86%, contributing to the cooler feel of the airs. Weather in January »

February ushers in more mild conditions following January's relatively cool start. Climatologists point to slightly higher temperatures and an extended daylight duration as signs of the impending spring. Rainfall significantly measures up to 71mm (2.8"), signaling a transition from the drier winter. Weather in February »

The weather in Sa Pả remains dynamic in March. Daylight hours markedly increase, reaching the annual norm. A notable characteristic of this month is the sharp increase in the amount of rainfall to 119mm (4.69"). The rising moisture levels attribute to lush growth, enhancing the region's natural beauty. Weather in March »

April in Sa Pả, Vietnam signifies the full bloom of spring with a further rise in temperatures. Rainfall continues to increase, bolstering the city's water resources. With steady daylight hours, outdoor activities gain popularity among locals and tourists. Weather in April »

The transition from spring to summer in May can be distinctly observed within Sa Pả. As the mercury levels surge, the area becomes noticeably warmer. Critically, the month experiences high rainfall at 371mm (14.61"), saturating the city's natural landscapes. Weather in May »

Enter June with Sa Pả reaching its warmest temperatures. The high rainfall, steady from the month of May, prolongs procedures to safeguard against potential flooding. Despite these conditions, daylight and sunshine hours increase with the progression to summer solstice. Weather in June »

July features consistent weather patterns with the previous few months in Sa Pả, Vietnam. The city experiences its highest rainfall amounting to 480mm (18.9"), giving rise to lush surroundings. The frequency of rainfall days reaches its peak, leading to the most humid month. Weather in July »

The weather in August mirrors July's conditions, maintaining the status quo in Sa Pả. Markedly, rainfall records remain high at 480mm (18.9"), continuing the monsoon season in full swing. The city's daylight and sunshine hours remain consistent with the previous months. Weather in August »

September sees the annual trend of high rainfall begin to recede in Sa Pả, Vietnam. Temperatures begin to drop slightly, indicating the arrival of autumn. Despite the reduction in rainfall, humidity levels remain relatively high, supporting lush green landscapes. Weather in September »

October heralds calmer weather for Sa Pả, Vietnam. The drastic cut in rainfall to 191mm (7.52") makes it a sought-after period for outdoor exploits. With gradual cooling temperatures, the autumn ambiance becomes more pronounced. Weather in October »

The weather in November pays homage to the pleasant autumn appeal in Sa Pả. Lower rainfall levels contribute to the dryness, making it an opportune time for open-air activities. With further drops in temperatures, it marks the transition into winter. Weather in November »

December wraps up the year with the coldest temperatures in Sa Pả, Vietnam. Low rainfall levels of 41mm (1.61") help maintain the overall dry atmosphere. Shortened daylight hours, consistent with the winter solstice, also lend to the season's chilled climate. Weather in December »