Climate and monthly weather forecastDiffa, Niger
Climate and monthly weather forecast
The climate of Diffa
Diffa, Niger, situated in the BWh predominate climate zone as per the Köppen climate classification, experiences a subtropical desert climate. Looking to the annual changes in weather, it becomes clear that the city endures extensive variations in conditions, ranging from moderate winters to scorching hot summers.Delving into the climate specifics, the city witnesses temperatures surfacing from 18.5°C (65.3°F) to 42°C (107.6°F) over a year. Temperatures peak in May, reaching a legitimately high of 42°C (107.6°F), while January becomes the coolest month bearing lows going down to 18.5°C (65.3°F). Humidity, on the other hand, ranges from 14% in March and April to 53% in August, making it the most humid month. Viewing rainfall data, August surfaces as the month with maximum rain, reaching a noteworthy 77mm (3.03"), followed by July at 26mm (1.02"). From December to April, a lengthy dry spell dominates as Diffa records zero rainfall.
Hours of daylight in Diffa range from 11.4 hours to 12.9 hours, with June holding the maximum. Sunshine hours, on the other hand, vary from 7.7 hours in November and December to 12.2 hours in May. An impressive 31 sunshine days per month are recorded in January, October and December, making these months favorable for the sun seekers.
Wind speeds, too, exhibit a notable fluctuation from 12.4km/h (7.7mph) in September to 18.4km/h (11.4mph) in December. UV index highlights August through June, all with an index of 8 or above, indicating a high level of UV exposure and thus, importance of sun protection. Pressure ranges from 1006.9mb in April to 1013.7mb in January, offering an interesting insight into the city's climate.
The best time to visit Diffa
Analyzing the data, it is clear that the period from November through February emerges as the best time to visit Diffa. While temperatures remain conducive, ranging from 18.5°C (65.3°F) to 34.7°C (94.5°F), the city experiences almost zero rainfall making these months an ideal time for outdoor activities.The worst time to visit Diffa
Contrarily, the months from May to September mark the worst time to visit Diffa. Temperatures leap overwhelmingly during these months, often hitting the 40°C (104°F) mark, which can be quite uncomfortable for many. Combined with the peak rainfall in August, these conditions could impede outdoor explorations.Spring weather in Diffa
The spring months from March to May usher in a sharp increase in heat in Diffa. With temperatures escalating from 38°C (100.4°F) in March to an intense 42°C (107.6°F) in May, these months personify the city's subtropical desert reputation. Rainfall, however, remains almost nonexistent in these months, aligning with the city's arid characteristics.Summer weather in Diffa
The summer period from June to August showcases an inclemently high heat, with temperatures ranging from 37.5°C (99.5°F) to 42°C (107.6°F). This period also marks the beginning of rainfall, with August ushering in a significant rainfall of 77mm (3.03"), alongside increased humidity levels.Autumn weather in Diffa
Autumn, encompassing the months from September to November, brings about a slight relief from the summer's intense heat. Temperatures for these months show a downward trend, falling from 37.9°C (100.2°F) in September to a more moderate 34.7°C (94.5°F) in November. Rainfall also takes a dramatic dip to 2mm (0.08") in October from 17mm (0.67") in September.Winter weather in Diffa
Winter months of December through February witness a significant drop in temperature, with the range reducing to 18.5°C (65.3°F) to 34.3°C (93.7°F). In stark contrast to the rest of the year, these months record zero rainfall, further solidifying Diffa's desert climate identity. High wind speeds also characterize these months, providing a slight relief from the dryness.Weather in January
Temperature levels in January are amicable in Diffa, averaging from 18.5°C (65.3°F) at night to 30.4°C (86.7°F) during the day. Albeit milder than the extremes of summer, the region does not experience a winter chill. Weather patterns in this month, compared to the sweltering heat of the subsequent months, provides reprieve and conditioning for the oncoming heat. Weather in January »Weather in February
The weather in February is a gradual shift towards the more intense conditions of the Later months. Temperatures climb higher, ranging from 21.1°C (70°F) in the coolest hours to 34.3°C (93.7°F) in the heat of the day. February also marks a decrease in relative humidity down to 17%, suggesting drier conditions. Weather in February »Weather in March
The city of Diffa endures higher daily temperatures in March, soaring from a base of 25.1°C (77.2°F) to a high of 38°C (100.4°F). Contrastingly, compared to the frigid conditions seen in January and February, March marks an increase in temperature that is palpable. Weather in March »Weather in April
In the city of Diffa, Niger, April's environment brings a drastic escalation, achieving temperatures between 28.3°C (82.9°F) and a blistering 41.2°C (106.2°F). As the peak of the hot season takes hold, conditions become distinctly rigorous. Weather in April »Weather in May
The weather conditions in May push to extremes in Diffa, with the thermometer fluctuating from 30.1°C (86.2°F) at night to an astronomical peak of 42°C (107.6°F) during the day. It is the zenith of the year heat-wise, making May the hottest month in Diffa. Weather in May »Weather in June
Temperatures in June remains high, marked by values from 31.1°C (88°F) up to 40.8°C (105.4°F). It denotes a marginal dip from the peak of the heat wave experienced in May. This month shows the initiation of a weather shift, ushering in patterns that hint at the upcoming wet season. Weather in June »Weather in July
July's weather mid-year balances the scales. The range of temperatures drops slightly from 29.3°C (84.7°F) to 37.5°C (99.5°F), mirroring a gradual, ongoing decline. This month signifies an easing from the relentless heat of May and June into cooler, wetter conditions. Weather in July »Weather in August
In August, rainfall and humidity levels peak, with a drastic rise to 77mm (3.03") of rain spread across 17 days and humidity increasing to 53% in Diffa, Niger. The temperatures range between a comfortable 26.9°C (80.4°F) at low to 35.3°C (95.5°F) at high. Weather in August »Weather in September
September transitions into a more balanced weather pattern, with temperatures oscillating between 28.2°C (82.8°F) and 37.9°C (100.2°F). Rainfall decreases considerably to 17mm (0.67"), spread across 6.2 days, and humidity levels drop to 39%. Weather in September »Weather in October
October sets the stage for the returning dry and hot conditions, with temperatures shifting in the range of 28.5°C (83.3°F) to 38.5°C (101.3°F). The weather in Diffa, Niger becomes characteristically dry with the relative humidity dropping to 22%. Weather in October »Weather in November
Entering the penultimate month of the year, November's weather expands the temperature spectrum from 24.3°C (75.7°F) to 34.7°C (94.5°F). A definitive return to the dry season is noticed, characterized by zero rainfall and a low 19% humidity level. Weather in November »Weather in December
Closing the year, December's weather bends back towards the year’s start, with temperatures falling between 19.7°C (67.5°F) and 30.5°C (86.9°F) and zero rainfall. The heat of the past months is a distant memory, and humidity levels continue to ease down to 24%. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month when Diffa, Niger, sees the average lowest temperatures, with a high of 30.4°C (86.7°F) and a low of 18.5°C (65.3°F).
In Diffa, Niger, rain does not fall in January through April, November and December.
Throughout the year, in Diffa, Niger, 134mm (5.28") of rain is accumulated.
March and April, with an average relative humidity of 14%, are the least humid months.
April through June, with an average maximum UV index of 9, are months with the highest UV index.
May registers as the month with the average highest temperatures, reaching 42°C (107.6°F) at its peak and 30.1°C (86.2°F) at the lowest.
May through October are months with rainfall in Diffa, Niger.
May has the most sunshine of the year in Diffa, Niger, with an average of 12.2h of sunshine.
The month with the longest days is June, with an average of 12h and 54min of daylight.
August is the most humid month in Diffa, with an average relative humidity of 53%.
August is the month with the most rainfall. Rain falls for 17 days and accumulates 77mm (3.03") of precipitation.
The months with the least sunshine are November and December, with an average of 7.7h of sunshine.
The month with the shortest days in Diffa is December, with an average of 11h and 24min of daylight.
Diffa does not utilize Daylight Saving Time (DST). WAT timezone is used over the entire year.
December is the month with the lowest UV index in Diffa, with an average maximum UV index of 6.
Average temperature
Diffa, Niger
The warmest month (with the highest average high temperature) is May (42°C).
The month with the lowest average high temperature is January (30.4°C).
The month with the highest average low temperature is June (31.1°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).
Average pressure
Diffa, Niger
- Average pressure in January:
1013.7mbar - Average pressure in February:
1011.2mbar - Average pressure in March:
1009mbar - Average pressure in April:
1006.9mbar - Average pressure in May:
1007.1mbar - Average pressure in June:
1008.2mbar
- Average pressure in July:
1009.3mbar - Average pressure in August:
1010mbar - Average pressure in September:
1009.6mbar - Average pressure in October:
1009mbar - Average pressure in November:
1010.8mbar - Average pressure in December:
1013.6mbar
The month with the highest atmospheric pressure is January (1013.7mbar).
The month with the lowest atmospheric pressure is April (1006.9mbar).
Average wind speed
Diffa, Niger
- Average wind speed in January:
17.6km/h - Average wind speed in February:
17.6km/h - Average wind speed in March:
17km/h - Average wind speed in April:
15km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
14.7km/h
- Average wind speed in July:
15.9km/h - Average wind speed in August:
14.1km/h - Average wind speed in September:
12.4km/h - Average wind speed in October:
13.6km/h - Average wind speed in November:
16.7km/h - Average wind speed in December:
18.4km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest month (with the lowest average wind speed) is September (12.4km/h).
Average humidity
Diffa, Niger
The month with the highest relative humidity is August (53%).
The months with the lowest relative humidity are March and April (14%).
Average rainfall
Diffa, Niger
The wettest month (with the highest rainfall) is August (77mm).
The driest months (with the least rainfall) are January, February, March, April, November and December (0mm).
Average rainfall days
Diffa, Niger
- Average rainfall days in January:
0 days - Average rainfall days in February:
0.1 days - Average rainfall days in March:
0.5 days - Average rainfall days in April:
1.4 days - Average rainfall days in May:
2.5 days - Average rainfall days in June:
4.1 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
17 days - Average rainfall days in September:
6.2 days - Average rainfall days in October:
1.5 days - Average rainfall days in November:
0 days - Average rainfall days in December:
0 days
The month with the highest number of rainy days is August (17 days).
The months with the least rainy days are January, November and December (0 days).
Average daylight / Average sunshine
Diffa, Niger
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
9h and 0min - Average sunshine in February:
9h and 54min - Average sunshine in March:
9h and 54min - Average sunshine in April:
11h and 30min - Average sunshine in May:
12h and 12min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 18min - Average sunshine in September:
11h and 48min - Average sunshine in October:
8h and 42min - Average sunshine in November:
7h and 42min - Average sunshine in December:
7h and 42min
The month with the most sunshine is May (Average sunshine: 12h and 12min).
The months with the least sunshine are November and December (Average sunshine: 7h and 42min).
Average sunshine days
Diffa, Niger
- Average sunshine days in January:
31 days - Average sunshine days in February:
28.2 days - Average sunshine days in March:
30.6 days - Average sunshine days in April:
29 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
10.6 days - Average sunshine days in September:
20.9 days - Average sunshine days in October:
29 days - Average sunshine days in November:
30 days - Average sunshine days in December:
31 days
The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (10.6 days).
Average UV index
Diffa, Niger
The months with the highest UV index are April, May and June (UV index 9).
The month with the lowest UV index is December (UV index 6).
Average cloud cover
Diffa, Niger
The month with the most cloud cover is August (Cloud cover 30).
The months with the least cloud cover are January, November and December (Cloud cover 2).
Average visibility
Diffa, Niger
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
