December Weather in Nyanza, Rwanda

Last updated: August 31, 2025

In Nyanza, Rwanda, December brings a temperate climate characterized by a maximum temperature of 28°C (82°F) and an average of 19°C (67°F), creating a pleasant backdrop for outdoor activities. The minimum temperature dips to 12°C (54°F), offering cooler evenings. This month is notable for its high humidity, reaching 92%, contributing to a lush, vibrant landscape. However, be prepared for regular rainfall, with a significant total of 97 mm (3.8 in) spread across 19 days, which can enhance the beauty of the region while also presenting challenges for travelers.

December Temperature in Nyanza

In December, Nyanza, Rwanda, experiences pleasantly mild temperatures that reflect the region's consistent climate patterns throughout the year. With minimums around 12°C (54°F) and maximums peaking at 28°C (82°F), the average temperature hovers around a comfortable 19°C (67°F), making it an ideal time to explore the scenic beauty of the area. Notably, December maintains a stability in temperature similar to previous months, with averages remaining consistent just below 20°C. This slight coolness compared to the warmer mid-year months, where temperatures can reach as high as 31°C (88°F) in August, highlights a gentle transition towards the cooler dry season ahead. Overall, December offers a delightful reprieve from the heat, perfect for engaging in both outdoor adventures and cultural experiences.

December Weather in Nyanza: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nyanza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nyanza, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec686867676768686969686767
Data source: Temperature data for Nyanza 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.

December Precipitation in Nyanza

In December, Nyanza experiences a notable transition in precipitation, with an average of 97 mm (3.8 in) spread over 19 days of rainfall, mirroring the wetness of the preceding months. This keeps the year-end lush and vibrant, as December’s rainfall reflects a slight dip from the 101 mm recorded in November, yet still retains a healthy amount compared to the drier months of June and July. As the final month of the year arrives, the region's landscape is richly nourished, signaling a dynamic shift from the heavier rains of the earlier months, particularly April's peak of 163 mm. The consistent precipitation during December reinforces the significance of this period for agriculture and local ecosystems, ensuring a fortified start to the new year.

December Precipitation Trends in Nyanza

The chart displays monthly precipitation patterns in Nyanza, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Nyanza, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec738311716393114294510210197
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nyanza

December in Nyanza, Rwanda, marks a noticeable peak in humidity, rising to 92%, which is the highest level recorded throughout the year. This month wraps up a season characterized by fluctuating moisture levels, beginning with a brisk 70% in July and culminating in the heavy humidity of late autumn, where November's 91% sets the stage for December's increase. Reflecting a trend towards dampness, humidity in December not only signifies the transition into the wetter season but also intensifies the lush, vibrant landscapes that define this region. With December's high humidity, the air feels rich, evoking a sense of freshness as Nyanza prepares for the rainfall typically associated with the onset of the new year.

December Average Humidity in Nyanza

This chart illustrates the average monthly humidity levels in Nyanza, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Nyanza is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%78%81%87%78%70%66%70%83%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nyanza

In December, Nyanza, Rwanda experiences a UV Index of 13, maintaining its status within the extreme exposure category, with a consistent burn time of just 10 minutes. This marks a slight dip from the peaks observed in earlier months like March, which soared to 17, yet the December index remains significantly high, underscoring the need for sun protection. Notably, the UV Index throughout the year has consistently ranged from 12 to 17, reflecting a persistent intensity that calls for awareness and precautions during outdoor activities. As the year draws to a close, staying informed about the UV Index is essential for safeguarding your skin from harmful rays. For more detailed insights, visit the Nyanza UV Index.

Maximum UV Index Levels in Nyanza for December

The chart shows the monthly maximum UV Index (UVI) for Nyanza in December, 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 December, the maximum UV index in Nyanza typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141617161412121315131313
Data source: Nyanza December 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.

December Sunshine in Nyanza

In Nyanza, Rwanda, December basks in a generous 313 hours of sunshine, rounding off the year with a radiant glow. As the calendar year unfolds, there is a clear upward trend in sunlight, peaking in the vibrant months of May through July, which collectively showcase the sun's generous embrace. While January starts modestly with 257 hours, each subsequent month steadily increases, culminating in an impressive 334 hours in July before gracefully tapering off towards the year's end. This consistent pattern not only highlights the region’s delightful climate but also sets the stage for a picturesque December, inviting both locals and visitors to revel in the warm, sunny days of the season.

Monthly Sunshine Duration in Nyanza: December Highlighted

The December sunshine duration represents the total number of hours Nyanza experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec257h287h314h301h332h322h334h332h318h321h306h313h
Data source: Nyanza December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nyanza During December

In Nyanza, Rwanda, the likelihood of sunny weather takes a noticeable dip in December, with only a 13% chance of sunshine. This decline follows a generally increasing trend from the colder months, peaking at 46% in August before gradually decreasing into the year’s end. The sunlight statistics suggest that few bright days are in store for December, contributing to the region's transition into the rainy season, which begins to take hold in January. While this month is not typically favorable for sun-seekers, it does pave the way for the lush, vibrant greenery that defines Rwanda's landscape, making it a unique time to appreciate the beauty of the countryside, even amidst the clouds.

Percentage of Sunny Days in December in Nyanza

The chart illustrates the percentage of sunny days in Nyanza throughout the year, with December 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 Nyanza experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%17%22%16%27%41%38%46%25%29%28%13%
Data source: Nyanza December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nyanza in December

In Nyanza, Rwanda, the daylight duration exhibits a remarkable consistency throughout the year, with a stable offering of 12 hours from January through April and again from August through November. This predictable rhythm supports an engaging lifestyle, as residents can depend on abundant daylight for their daily activities. However, the transition in May, June, and July sees a reduction to 11 hours of daylight, marking a subtle shift that aligns with the region's seasonal changes. Ultimately, December returns to the reliable 12 hours, maintaining Nyanza's reputation for balanced day length, enriching the community’s connection to both nature and routine.

Average Daylight Hours in Nyanza for December

The chart illustrates the variation in daylight duration in Nyanza throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 13m12h 10m12h 6m12h 2m11h 59m11h 58m11h 59m12h 1m12h 4m12h 8m12h 12m12h 14m
Data source: Nyanza daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nyanza

In December, the winds in Nyanza, Rwanda gently ease to an average speed of 1.5 m/s (3 mph), mirroring the calms of earlier months. This slight decrease follows a consistent trend observed over the year, with the wind picking up noticeably in the mid-year months of June through September, when it reaches its peak at 1.8 m/s (4 mph). As the year draws to a close, the soothing breezes of December create a serene atmosphere, bridging the seasonal highs of summer and ushering in the quietude of the cooler months. Although steady throughout most of the year, this gradual fluctuation in wind speeds paints a picture of Nyanza's dynamic climate, where even the most subtle shifts invite contemplation and connection to nature.

Average December Wind Speed in Nyanza

The chart displays monthly wind speed patterns in Nyanza, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.51.41.51.81.81.71.81.71.71.5 m/s
Data source: Nyanza December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nyanza Compares to Other Months

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

In December, the weather is characterized by a warm average temperature of 19°C (67°F), with daily highs reaching up to 28°C (82°F). The month sees considerable precipitation, averaging 97 mm (3.8 in) over 19 days, contributing to a high humidity level of 92%. In contrast, January offers slightly warmer temperatures, with an average of 20°C (68°F) and similar maximums of 28°C (83°F). Additionally, January experiences less rainfall, totaling 73 mm (2.9 in) over just 13 days, resulting in a drop in humidity to 84%. For more detailed information on this month's weather, you can check Nyanza weather in January.

In December, the weather is characterized by a warm average temperature of 19°C (67°F), with daily highs reaching up to 28°C (82°F). However, this month also sees significant precipitation, totaling 97 mm (3.8 in) over 19 days, contributing to a high humidity level of 92%. In contrast, February tends to be slightly warmer on average, with temperatures reaching an average of 20°C (68°F) and maximums of 29°C (84°F). Precipitation decreases to 83 mm (3.3 in) across 15 days, leading to a drop in humidity to 82%. For further details on February's weather in Nyanza, check out Nyanza weather in February.

December and March exhibit similar temperature ranges, with December featuring a minimum of 12°C (54°F) and a maximum of 28°C (82°F), while March has a slightly lower minimum of 11°C (53°F) and the same maximum. Both months average around 19°C (67°F) to 20°C (67°F), demonstrating a mild climate. However, December has higher humidity at 92% compared to March's 78%, contributing to a more muggy feel in the earlier month. Precipitation is also notable, with December receiving 97 mm (3.8 in) over 19 days, while March experiences an increase to 117 mm (4.6 in) over 21 days, indicating a wetter climate as the seasons transition. For more details, you can visit Nyanza weather in March.

In comparing the weather between December and April, we observe that both months share similar temperature ranges, with minimums around 12°C (54°F), averages at 19°C (67°F), and maximums reaching 28°C (82°F). However, April experiences significantly higher precipitation, accumulating 163 mm (6.4 in) over 25 days compared to December's 97 mm (3.8 in) over 19 days. Additionally, the humidity levels in December are notably higher at 92%, while April's humidity drops to 81%, indicating a slightly more comfortable atmosphere. For a more detailed overview of conditions in April, you can refer to Nyanza weather in April.

In comparison to December, May's weather showcases a slightly cooler profile, with minimum temperatures just 1°C lower, averaging around 19°C (67°F) during both months. The maximum temperature in May reaches 27°C (81°F), which is a degree less than December's peak of 28°C (82°F). Both months experience significant rainfall, with December receiving 97 mm (3.8 in) and May slightly less at 93 mm (3.7 in), both spread over 19 days. Humidity levels are also a bit lower in May at 87%, compared to December's higher humidity of 92%. For more detailed information, you can check Nyanza weather in May.

In December, the weather is characterized by relatively warm temperatures, with a minimum of 12°C (54°F) and an average of 19°C (67°F), peaking at a maximum of 28°C (82°F). However, this month also experiences significant rainfall, with about 97 mm (3.8 in) accumulating over 19 days, and humidity levels are notably high at 92%. In contrast, June sees slightly cooler temperatures, with a minimum of 11°C (53°F) and an average of 20°C (68°F), while still reaching a maximum of 28°C (82°F) during the day. Rainfall is minimal in June, only 11 mm (0.4 in) over just 2 days, resulting in a more comfortable humidity level of 78%. For more details on the weather conditions in June, you can check Nyanza weather in June.

In December, the weather is generally warmer with average temperatures ranging from 12°C (54°F) to a maximum of 28°C (82°F) and a high humidity of 92%. This month also experiences significant rainfall, with approximately 97 mm (3.8 in) over 19 days. In contrast, July offers milder conditions, with temperatures averaging between 11°C (52°F) and 29°C (84°F), but it is much drier, receiving only 4 mm (0.1 in) of precipitation across just 1 day. The humidity level in July is lower at 70%. For more details, you can check the Nyanza weather in July.

December and August present distinct weather patterns, highlighting the seasonal variations. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 28°C (82°F), with an average of 19°C (67°F). This month experiences higher precipitation with 97 mm (3.8 in) falling over 19 days and a notable humidity level of 92%. In contrast, August sees slightly warmer weather, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), averaging 21°C (70°F). Precipitation is significantly lower at 29 mm (1.2 in) over just 5 days, accompanied by a humidity level of 66%. For more detailed insights, you can check Nyanza weather in August.

December and September exhibit notable differences in weather patterns. While December sees temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (82°F), with an average of 19°C (67°F), September boasts slightly warmer temperatures, with a minimum of 12°C (55°F) and a maximum reaching 30°C (86°F), averaging at 20°C (69°F). Precipitation levels also vary significantly; December experiences more rain, totaling 97 mm (3.8 in) over 19 days, whereas September has much lower rainfall of only 45 mm (1.8 in) across 9 days. Additionally, December's humidity is much higher at 92%, while September maintains a more comfortable 70%. For further details, you can visit Nyanza weather in September.

In comparing the weather of December and October, both months feature relatively mild temperatures, with December experiencing a minimum of 12°C (54°F) and an average of 19°C (67°F), while October has a slightly higher average of 20°C (68°F) and a maximum of 29°C (84°F). Precipitation levels are quite similar, with December receiving 97 mm (3.8 in) over 19 days and October slightly higher with 102 mm (4.0 in) over 18 days. Notably, December has a higher humidity level at 92%, compared to October's 83%. For more detailed insights on October weather, you can explore Nyanza weather in October.

In comparing the weather between November and December, both months share a similar range of temperatures, with December experiencing a minimum of 12°C (54°F), an average of 19°C (67°F), and a maximum of 28°C (82°F). In contrast, November's temperatures are slightly higher, peaking at 29°C (84°F). Rainfall in December totals 97 mm (3.8 in) over 19 days, which is slightly less than November’s 101 mm (4.0 in) during the same number of days. Humidity remains high in both months, with December at 92% and November at 91%. For a detailed look at November weather, feel free to visit Nyanza weather in November.

Compare Nyanza's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nyanza

December in Nyanza brings a notable shift in weather compared to other months, characterized by higher humidity levels that hover around 92%, creating a lush atmosphere in the region. This month experiences frequent rainfall, with nearly 19 days of precipitation contributing to a total of 97 mm. While temperatures generally remain pleasant, peaking at 28°C during the day and dropping to around 12°C at night, the overall climate feels more temperate and refreshing. This distinctive weather pattern makes December a unique time to experience Nyanza's vibrant landscapes, marking a contrast to the drier months of the year. For more detailed insights, visit Nyanza Climate.