Last updated: August 28, 2025
In January, Co Loa, Vietnam experiences a mild and delightful climate, characterized by a maximum temperature of 29°C (84°F) and an average of 18°C (65°F). The region tends to cool down at night, with temperatures dipping to a minimum of 8°C (46°F), offering a refreshing respite. During this month, the area receives about 58 mm (2.3 in) of rainfall spread over 8 days, contributing to a humidity level of 66%. This combination of moderate temperatures and occasional rain makes January an inviting time for visitors to explore the rich history and beautiful landscapes of Co Loa.
In January, Co Loa, Vietnam, experiences a cool and pleasant climate, with temperatures ranging from a brisk 8°C (46°F) at night to a comfortable 29°C (84°F) during the day, averaging around 18°C (65°F). As the month progresses into February, temperatures begin to rise slightly, making way for warmer days and nights, while the average increases to 19°C (66°F). This gradual warming trend continues into March and April, where daytime highs reach 34°C (94°F) and 36°C (97°F) respectively. May marks the transition to hotter summer months, peaking at an intense 39°C (103°F) by May, with nights staying warmer, around 19°C (67°F). The heat persists into June through August, with minimal variations in the daytime highs, hovering around 39°C. As September and October arrive, temperatures begin to soften again, introducing cooler evenings and a gradual reduction in maximum daytime temperatures, signaling the start of the cooler season. By December, Co Loa returns to its January-like temperatures, creating a pleasant climate for visitors who wish to explore its rich history in comfort.
In January, Co Loa, Vietnam, experiences a moderate amount of precipitation, totaling 58 mm (2.3 in) over approximately 8 days. This marks a notably drier start to the year compared to the subsequent months, where rainfall increasingly intensifies. By February, precipitation drops to 41 mm (1.6 in) but remains consistent with 7 rainy days. However, as spring approaches, March sees a rise to 65 mm (2.5 in) over 14 days, hinting at the inevitable shift towards the wetter months ahead. This progressive increase culminates in July and August, where Co Loa faces its peak, with nearly 260 mm (10.2 in) and 378 mm (14.9 in) of rain, respectively. Overall, January's precipitation serves as a gentle precursor to a much more torrential rainy season that follows, showcasing the region's distinct climatic rhythm.
In January, Co Loa, Vietnam experiences a humidity level of 66%, setting the stage for a month that feels relatively comfortable compared to the increasingly humid months that follow. As the year progresses, February sees a rise to 71%, followed by a slight dip in March to 69%. However, the humidity begins to climb steadily from April onward, as spring and summer approach. By June, it peaks at a striking 81%, and the summer months of July and August experience sweltering levels of 90% and 89%, respectively. As autumn arrives, humidity gradually decreases to 77% in October and stabilizes at 72% in November before settling at 71% in December. This cyclical pattern illustrates how humidity levels in Co Loa significantly fluctuate throughout the year, delivering a pronounced contrast between the cooler and drier winter months and the hot, humid summer.
In January, Co Loa, Vietnam experiences a UV Index of 8, placing it in the very high exposure category, with a burn time of just 15 minutes. As the months progress, UV levels rise significantly, peaking in May and August at an extreme UV Index of 13, where the burn time drops to a mere 10 minutes. The intensity then begins to taper off, with November seeing a UV Index of 9 and a return to a very high exposure category, while December brings a gentler UV Index of 7, allowing for a longer burn time of 25 minutes. This trend underscores the importance of sun protection, particularly during the high to extreme UV months. For more detailed information, check out the Co Loa UV Index.
UV Risk Categories
January in Co Loa, Vietnam, typically sees 130 hours of sunshine, marking the year's modest beginning. As February rolls in, the sky brightens notably, offering 184 hours of radiant warmth that paves the way for the blossoming spring. March continues this upward trend with 153 hours, while April shines even brighter at 187 hours, reflecting the growing influence of the approaching summer. The peak of sunshine is reached in May, boasting an impressive 280 hours. The sunny months persist through June and July, with only a slight decline to 275 and 274 hours respectively. As summer transitions into early autumn, the hours gradually decrease but remain plentiful, with 259 hours in August and 267 hours in September. By the time October arrives, the sun still generously graces the region with 235 hours, but a slight drop continues through November and December, finishing the year with 233 and 213 hours. Overall, the sunshine patterns in Co Loa reveal a vibrant seasonal progression, characterized by bright, sun-filled months that invite visitors to embrace the beauty of this captivating Vietnamese locale.
In Co Loa, Vietnam, the likelihood of enjoying sunny weather in January stands at a modest 32%, making it one of the better months for sun-seekers. As we transition into February, the chance of clear skies slightly dips to 31%, maintaining a similar vibe. However, a notable decline is observed in the spring months of March and April, where the chances drop to just 18%. This trend reflects a seasonal shift that continues into the summer, as the sunny days further dwindle, particularly in the peak of June at a low 13%. Interestingly, the latter half of the year sees a gradual rise in sunshine opportunities, peaking again in November at 36% and culminating in December with a noteworthy 45%. Overall, January offers a promising start to the year, hinting at a sunny disposition before the clouds take their turn.
In Co Loa, Vietnam, January ushers in a daylight duration of 10 hours, marking the start of a gradual shift towards longer days. As February rolls in, daylight stretches to 11 hours, signaling the arrival of sunnier months. This upward trend peaks in May through July, where each day boasts an impressive 13 hours of sunlight, perfect for outdoor adventures and exploration. Following this zenith, daylight begins to wane slightly, tapering to 12 hours in August and September, and settling back to 11 hours in both October and November. Finally, December and January return to 10 hours, rounding off the year in harmony with its beginnings. This cyclical pattern of daylight beautifully reflects the rhythm of nature, encouraging residents and visitors alike to revel in the sunny splendor of each season.
In January, Co Loa, Vietnam experiences a gentle breeze with an average wind speed of 1.9 m/s (4 mph). This tranquil start to the year sets the tone, as February sees a slight increase to 2.0 m/s, maintaining that calm ambiance. The winds pick up in March and April, reaching 2.6 m/s (6 mph), giving the air a refreshing feel that is especially pleasant during the springtime. As the temperatures rise in May, the wind speed continues its gradual climb to 2.8 m/s (6 mph), while June experiences a slight dip back to 2.2 m/s (5 mph). The calm returns in July and August, with winds dropping to 2.0 m/s (5 mph) and further declining to 1.7 m/s (4 mph). This trend of softening breezes continues into September with an even more subdued speed of 1.5 m/s (3 mph). However, the winds reclaim some strength in October, spiking to 2.7 m/s (6 mph) before settling back to a steady 2.2 m/s (5 mph) in November and returning to the January levels of 1.9 m/s (4 mph) by December. Overall, January's gentle winds herald a tranquil transition into a delightful year ahead, encapsulating the rhythmic ebb and flow of Co Loa's seasonal breezes.
Weather in Co Loa varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Co Loa, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February experience relatively mild temperatures, but February tends to be slightly warmer overall. In January, the minimum temperature averages around 8°C (46°F), with a maximum reaching 29°C (84°F), while February sees a slight increase with minimums at 9°C (48°F) and maximums up to 31°C (88°F). Precipitation also decreases from 58 mm (2.3 in) over 8 days in January to 41 mm (1.6 in) across 7 days in February. Additionally, February has a higher humidity level at 71% compared to January’s 66%. For a closer look at February conditions, check out Co Loa weather in February.
In January, the weather features a milder temperature range with a minimum of 8°C (46°F) and an average of 18°C (65°F), peaking at 29°C (84°F). The month experiences about 58 mm (2.3 in) of precipitation over 8 days, with humidity levels around 66%. In contrast, March brings warmer temperatures, with a minimum of 14°C (57°F), an average of 22°C (73°F), and a maximum reaching 34°C (94°F). While precipitation increases slightly to 65 mm (2.5 in) over 14 days, humidity also rises to 69%. For more detailed information on weather conditions, check out Co Loa weather in March.
January and April present notable differences in weather patterns. In January, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 18°C (65°F). The month experiences moderate precipitation of 58 mm (2.3 in) over about 8 days, alongside a humidity level of 66%. In contrast, April sees warmer temperatures, with a minimum of 15°C (59°F), an average of 25°C (77°F), and a peak of 36°C (97°F). The month is also wetter, recording 147 mm (5.8 in) of rainfall over 14 days, while humidity stabilizes slightly lower at 64%. For a more detailed look at the weather in April, you can check Co Loa weather in April.
January and May present a striking contrast in weather patterns. In January, temperatures range from a mild minimum of 8°C (46°F) to a comfortable maximum of 29°C (84°F), with an average temperature of 18°C (65°F). Precipitation is relatively low at 58 mm (2.3 in), falling over 8 days, and humidity sits at 66%. In contrast, May sees a significant rise in temperatures, with minimums starting at 19°C (67°F) and soaring to maximums of 39°C (103°F), leading to a higher average of 28°C (83°F). Additionally, May experiences increased rainfall, amounting to 188 mm (7.4 in) over 17 days, with humidity climbing to 73%. For more details on the weather in May, check out Co Loa weather in May.
In comparing the weather between January and June, significant contrasts are evident. January enjoys milder temperatures, with a minimum of 8°C (46°F) and an average of 18°C (65°F), while June experiences much warmer conditions, marked by a minimum of 23°C (74°F) and an average high of 31°C (87°F), peaking at 40°C (105°F). Additionally, precipitation is notably higher in June, with 189 mm (7.4 in) over 15 days compared to January's 58 mm (2.3 in) over just 8 days. The humidity levels also rise in June to 81%, compared to January's 66%. For more detailed information, you can refer to Co Loa weather in June.
The weather in January is characterized by milder temperatures, with a minimum of 8°C (46°F) and an average of 18°C (65°F), peaking at a maximum of 29°C (84°F). In contrast, July brings significantly warmer conditions, with temperatures ranging from a minimum of 25°C (78°F) to a scorching maximum of 39°C (103°F), and an average of 30°C (86°F). Additionally, precipitation levels differ greatly; January sees 58 mm (2.3 in) of rainfall over 8 days, while July experiences a much wetter climate with 260 mm (10.2 in) over 21 days, contributing to a higher humidity of 90%. For more detailed information, you can visit Co Loa weather in July.
In January, the weather is noticeably cooler, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F). Humidity sits at around 66%, and the month experiences about 58 mm (2.3 in) of precipitation over approximately 8 days. In contrast, August brings a dramatic increase in heat and humidity, with temperatures soaring from a minimum of 24°C (76°F) to a blistering maximum of 39°C (102°F). The humidity levels rise to 89%, and precipitation significantly increases to 378 mm (14.9 in) over 22 days, leading to a much wetter environment. For more specific details on August weather, check out Co Loa weather in August.
In January, the weather offers a milder climate with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and an average of 18°C (65°F). The month experiences relatively low precipitation at 58 mm (2.3 in) over 8 days and maintains a humidity level of 66%. In contrast, September brings a significant shift with higher temperatures that range from a minimum of 21°C (71°F) to a scorching maximum of 37°C (99°F), with an average temperature of 28°C (83°F). This month is much wetter, receiving 222 mm (8.7 in) of rain over 21 days, and humidity rises to 82%. For more details on September weather, check out Co Loa weather in September.
In January, the weather is generally milder with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), and an average of 18°C (65°F). The month sees around 58 mm (2.3 in) of precipitation over approximately 8 days, accompanied by a humidity level of 66%. In contrast, October experiences warmer temperatures, with a minimum of 17°C (63°F), reaching an average of 25°C (78°F) and a high of 34°C (94°F). However, it is significantly wetter, with precipitation totaling 279 mm (11.0 in) over 16 days, and humidity rising to 77%. For a detailed look at October weather, you can check Co Loa weather in October.
January weather features a cooler temperature range, with minimums of 8°C (46°F) and maximums reaching 29°C (84°F), while averaging around 18°C (65°F). This month experiences about 58 mm (2.3 in) of precipitation over 8 days, with a moderate humidity level of 66%. In contrast, November is typically warmer, with minimum temperatures of 14°C (57°F) and a higher average of 22°C (73°F), peaking at 33°C (92°F). Despite slightly lower precipitation at 48 mm (1.9 in) over the same number of days, November's humidity is a bit higher at 72%. For more detailed information on November weather conditions, you can check Co Loa weather in November.
In January, temperatures are quite similar to December, with minimums around 8°C (46°F) and average highs reaching 29°C (84°F), making it slightly cooler than December, where the maximum can go up to 31°C (87°F). Both months experience a comparable average temperature of 18°C (65°F). Precipitation in January is slightly higher at 58 mm (2.3 in) over 8 days, compared to December’s 41 mm (1.6 in) over 7 days. Moreover, January's humidity at 66% is marginally lower than December's 71%. For a detailed overview of December weather in Co Loa, you can visit Co Loa weather in December.
In January, Co Loa experiences a unique blend of weather phenomena that sets it apart from the rest of the year. The temperatures are noticeably cooler, with a refreshing average that invites outdoor exploration, contrasting sharply with the sweltering heat of summer months. While brief showers are a common occurrence, the overall precipitation remains moderate, making January a transitional period as the region moves from a cooler climate towards the warmth of spring. With a humidity level around 66%, the air can feel crisp yet comfortably moist, creating an enjoyable atmosphere for both locals and visitors. For more details on the climate variations throughout the year, explore Co Loa Climate.