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Contents
- The climate of Isiro
- The best time to visit Isiro
- The worst time to visit Isiro
- Spring weather in Isiro
- Summer weather in Isiro
- Autumn weather in Isiro
- Winter weather in Isiro
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average UV index
The climate of Isiro
Located in the Democratic Republic of Congo, Isiro has a Tropical monsoon climate, also classified as 'Am' under the Köppen climate classification. As an integral component of this climate type, Isiro experiences significant rainfall throughout the year. Monthly average temperatures swing between a low of 18°C (64.4°F) to a high of 32°C (89.6°F), suggesting a fairly consistent pattern of warmth.
A distinct trait of this climate is the slight variability in daylight hours, ranging from 12 hours to 12.3 hours daily. A similar trend is observed in average sunshine hours, vacillating between 5 hours to 7 hours across the months. UV index, an essential parameter indicating daylight strength, remains uniformly high at 11 or 12 throughout the year in Isiro, indicative of intense sun exposure.
Rainfall unveils a contrasting picture, with the wettest months appearing in the latter half of the year. Rainfall quantity varies markedly from 34mm (1.34") to 194mm (7.64"), hitting a peak in October, when approximately 194mm (7.64") of precipitation is recorded. Days of rainfall per month demonstrate a similar pattern, shifting from 6 to 16 days, thus suggesting October as the rainiest month.
A distinct trait of this climate is the slight variability in daylight hours, ranging from 12 hours to 12.3 hours daily. A similar trend is observed in average sunshine hours, vacillating between 5 hours to 7 hours across the months. UV index, an essential parameter indicating daylight strength, remains uniformly high at 11 or 12 throughout the year in Isiro, indicative of intense sun exposure.
Rainfall unveils a contrasting picture, with the wettest months appearing in the latter half of the year. Rainfall quantity varies markedly from 34mm (1.34") to 194mm (7.64"), hitting a peak in October, when approximately 194mm (7.64") of precipitation is recorded. Days of rainfall per month demonstrate a similar pattern, shifting from 6 to 16 days, thus suggesting October as the rainiest month.
The best time to visit Isiro
Accounting for the parameters of temperature, rainfall, and sunshine hours, it can be deduced that the ideal period to visit Isiro falls in the first three months of the year. During this time, maximum temperatures average around 31°C (87.8°F) to 32°C (89.6°F), offering a favorable, warm climate. Rainfall totals are at their lowest of the year, averaging between 34mm (1.34") in January to 113mm (4.45") in March, coupled with a decrease in rainy days. Sunshine hours maintain a steady course at 7 hours per day, promising ample daylight for exploration and leisure.
The worst time to visit Isiro
In contrast, the months of July, August, and October exhibit conditions less conducive for tourists. Rainfall in these months swells from 147mm (5.79") in July to a significant peak of 194mm (7.64") in October. Concurrently, the number of rainy days escalates from 11 days in July to a high of 16 days in September. Additionally, the temperature plunges to its yearly low of 28°C (82.4°F) during August and September and sunshine hours dip to 5 hours daily, before rebounding in October.
Spring weather in Isiro
The months of April, May, and June in Isiro bring an escalating volume of rainfall, increasing from 155mm (6.1") in April to 162mm (6.38") in May, and finally culminating at 144mm (5.67") in June. The number of rainy days per month peaks at 15 days in May. Temperatures remain stable, with lows of 19°C (66.2°F) and highs oscillating between 30°C (86°F) in April to a slight dip to 29°C (84.2°F) in June. Sunshine hours reduce to 6 during this period, while the daylight hours hover at 12.2 to 12.3 hours.
Summer weather in Isiro
The monsoonal influence in Isiro is prominent between July and September, marking it as the rainiest period. Rainfall fluctuates around 147mm (5.79") in July, but mounts to 186mm (7.32") in August, before slightly dropping to 171mm (6.73") in September. Coinciding with this trend, the number of rainy days per month ranges from 11 days to a high point of 16 days in September. Amid this wet season, temperatures record a gradual decrease from 29°C (84.2°F) to 28°C (82.4°F), while sunlight hours decrease to 5 hours daily at the start of summer but rise back to 6 hours by its end.
Autumn weather in Isiro
The autumn months of October and November in Isiro bring about a transition from the wet to the dry season. The region experiences the pinnacle of its rainfall during October, with a substantial 194mm (7.64") precipitation, levelling down to 109mm (4.29") by November. A parallel variation is noticed in rainy days, moving from 15 days to 12 days. Notwithstanding this downward curve, temperatures remain comfortably steady at 29°C (84.2°F) to 30°C (86°F), accompanied by 6 to 7 hours of sunshine daily.
Winter weather in Isiro
Winter in Isiro, comprising December and January, ushers in drier conditions. Rainfall volumes reduce to 45mm (1.77") in December and continue to remain low at 34mm (1.34") in January, all the while rainy days decline to eight per month. The average maximum temperature holds steady at 30°C (86°F), with daylight and sunshine duration balancing at 12 hours and 7 hours per day respectively. The UV index remains consistent at 12, indicating strong solar radiation levels even during winter.
Weather in January
Isiro, Democratic Republic of Congo, greets the new year with high temperatures. Comparatively milder than the coming months, January in Isiro can see temperatures peaking at 31°C (87.8°F) on an average. Notably, rainfall is moderate this month, with an aggregate of 34mm (1.34") that typically falls over a period of 6 days. Weather in January »
Weather in February
Entering February, Isiro experiences an increase in rain. The temperatures remain almost constant from January at reguar high peaks of 32°C (89.6°F). Moving from the dry season, rainfall intensifies with a considerable leap to 55mm (2.17"). Weather in February »
Weather in March
March registers a significant shift in precipitation compared to the two previous months. With average temperatures reaching 31°C (87.8°F), March witnesses the onset of the most prominent rainy period for Isiro. The city records a considerable increase in rainfall to 113mm (4.45"). Weather in March »
Weather in April
April is characterized by damp weather in Isiro. Rainfall reaches its peak during this month, with an average precipitation measuring from 155mm (6.1") to 162mm (6.38"), signifying a steady increase from March. Temperatures dip slightly to an average high of 30°C (86°F), cementing the transition from March. Weather in April »
Weather in May
May is marked by a continuation of the rainy weather pattern established in April. Rainfall stays relatively high at 162mm (6.38"), spreading across 15 days of the month. The temperature remains consistent with the previous month at a peak of 30°C (86°F). Weather in May »
Weather in June
The city of Isiro greets the mid-year with a slight dip in temperature and rainfall. As June unfolds, temperatures cool off slightly to highs of 29°C (84.2°F), offering a welcome respite from the recent heat. A decrease in precipitation is noted, recording 144mm (5.67") of rainfall spread over 10 days. Weather in June »
Weather in July
July brings a continuance of June’s milder temperatures, with average highs reaching 28°C (82.4°F). As the rain continues to subside with July recording 147mm (5.79"), Isiro's weather becomes more predictable. Despite fewer rainfall days compared to June, the amount of sunshine remains constant. Weather in July »
Weather in August
August is characterized by the most significant precipitation experienced in Isiro, with average rainfall climbing to 186mm (7.32"). Temperatures continue to hover around the average high of 28°C (82.4°F) seen in July. The rise in rainfall does not deter the city's sunny hours and daylight longevity, making August a lively month. Weather in August »
Weather in September
September brings a gradual decrease in rainfall to 171mm (6.73") and a slight increase in temperature to 29°C (84.2°F). The shift from the rainy pattern of previous months is noticeable with fewer days of precipitation. The daylight hours start shrinking to 12.1 hours, indicating the approaching end of the peak season. Weather in September »
Weather in October
October is characterized by a blend of balanced rainfall and pleasant temperatures in Isiro. The city witnesses another slight increase in rainfall to 194mm (7.64"). Simultaneously, temperatures persist at a comfortable high of 29°C (84.2°F). Weather in October »
Weather in November
November signifies a drop in rainfall, a stark contrast to the preceding months. The recorded precipitation decreases to 109mm (4.29"). However, temperatures on average continue to peak at 30°C (86°F). With smaller rainfall and prolonged sunshine hours, sightseeing and outdoor activities continue to thrive. Weather in November »
Weather in December
December sees Isiro closing the year on a less rainy note. The last month registers the lowest rainfall of the year with 45mm (1.77") spread over 8 days. The temperature remains consistent with November with highs around 30°C (86°F). Weather in December »
[Resources]Frequently asked questions
What is the driest month in Isiro?
January is the month with the least rainfall. Rain falls for 6 days and accumulates 34mm (1.34") of precipitation.
How many days does it rain in Isiro?
Throughout the year, in Isiro, Democratic Republic of Congo, there are 138 rainfall days, and 1515mm (59.65") of precipitation is accumulated.
What is the month with the most sunshine in Isiro?
The months with the most sunshine in Isiro, Democratic Republic of Congo, are January, February, November and December, with an average of 7h of sunshine.
What is the month with the highest UV index in Isiro?
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 12.
What is the warmest month in Isiro?
Isiro, Democratic Republic of Congo, records the warmest temperatures in February, averaging a high of 32°C (89.6°F) and a low of 18°C (64.4°F).
When are the longest days in Isiro?
The month with the longest days is June, with an average of 12h and 18min of daylight.
What is the month with the lowest UV index in Isiro?
June and July, with an average maximum UV index of 11, are months with the lowest UV index.
What are the coldest months in Isiro?
Isiro experiences its coldest period in July and August, averaging a high-temperature of 28°C (82.4°F).
What is the month with the least sunshine in Isiro?
The months with the least sunshine are July and August, with an average of 5h of sunshine.
What is the wettest month in Isiro?
October is the month with the most rainfall in Isiro. Rain falls for 15 days and accumulates 194mm (7.64") of precipitation.
What is the month with the shortest days in Isiro?
December has the shortest days of the year in Isiro, with an average of 12h and 0min of daylight.
Is there Daylight Saving Time (DST) in Isiro?
Isiro does not observe Daylight Saving Time (DST). CAT timezone is used throughout the entire year.
Average temperature
Isiro, Democratic Republic of Congo
The warmest month (with the highest average high temperature) is February (32°C).
The months with the lowest average high temperature are July and August (28°C).
The months with the highest average low temperature are March, April, May and June (19°C).
The coldest months (with the lowest average low temperature) are January, February, July, August, September, October, November and December (18°C).
Average rainfall
Isiro, Democratic Republic of Congo
- Average rainfall in January:
34mm - Average rainfall in February:
55mm - Average rainfall in March:
113mm - Average rainfall in April:
155mm - Average rainfall in May:
162mm - Average rainfall in June:
144mm
- Average rainfall in July:
147mm - Average rainfall in August:
186mm - Average rainfall in September:
171mm - Average rainfall in October:
194mm - Average rainfall in November:
109mm - Average rainfall in December:
45mm
The wettest month (with the highest rainfall) is October (194mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days
Isiro, Democratic Republic of Congo
- Average rainfall days in January:
6 days - Average rainfall days in February:
7 days - Average rainfall days in March:
11 days - Average rainfall days in April:
14 days - Average rainfall days in May:
15 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
13 days - Average rainfall days in September:
16 days - Average rainfall days in October:
15 days - Average rainfall days in November:
12 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is September (16 days).
The month with the least rainy days is January (6 days).
Average daylight / Average sunshine
Isiro, Democratic Republic of Congo
- Average daylight in January:
12h and 0min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 2min
- Average daylight in July:
12h and 2min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 0min - Average daylight in December:
12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
The months with the most sunshine are January, February, November and December (Average sunshine: 7h).
The months with the least sunshine are July and August (Average sunshine: 5h).
Average UV index
Isiro, Democratic Republic of Congo
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 11).
Isiro, Democratic Republic of Congo
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