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Contents
- The climate of Lethem
- The best time to visit Lethem
- The worst time to visit Lethem
- Spring weather in Lethem
- Summer weather in Lethem
- Autumn weather in Lethem
- Winter weather in Lethem
- 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 Lethem
Lethem, situated in Guyana, endures a Tropical monsoon climate, designated as 'Am' under the Köppen climate classification system. Through an analysis of the climatological parameters, the region's weather conditions exhibit certain consistent patterns. Across the year, the temperature ranges from a low-mercury reading of 23°C during the coldest days to a high of 33°C at warmest times. Unsurprisingly, the tropical city does not experience significant temperature fluctuations through the seasons.
Arguably, the most striking aspect is Lethem's rainfall patterns. Rainfall distinctly varies from month to month, peaking between May and July with monthly averages from 292mm to 376mm. In contrast, the dry period from January to April and November to December sees an average precipitation of 30mm to 145mm. Most months observe an average UV index of 12, with the city experiencing an average of 12 hours of daylight throughout the year. Sunshine hours are normally either 7 or 8 hours, depending on the month.
Arguably, the most striking aspect is Lethem's rainfall patterns. Rainfall distinctly varies from month to month, peaking between May and July with monthly averages from 292mm to 376mm. In contrast, the dry period from January to April and November to December sees an average precipitation of 30mm to 145mm. Most months observe an average UV index of 12, with the city experiencing an average of 12 hours of daylight throughout the year. Sunshine hours are normally either 7 or 8 hours, depending on the month.
The best time to visit Lethem
Considering the climate patterns, the most favorable time to visit Lethem depends largely on one’s tolerance for rain. However, if avoiding heavy rainfall is a priority, the period from January to April presents a relatively dry spell with lower amounts of precipitation, averaging between 30mm and 145mm. Moreover, this period showcases higher sunshine hours, averaging around 7 hours per day, paired with steady temperatures ranging from 23°C to 33°C. The daylight hours remain robust at around 12 hours, presenting ample time to experience the vibrant surroundings of Lethem during this time.
The worst time to visit Lethem
The climatological data indicates that visiting Lethem between May and September could be challenging due to intense rainfall. During these months, the average rainfall skyrockets from 292mm to 376mm. Pair this with a consistent UV index of 12 and visitors might find themselves indoors more often than not. Nonetheless, those who don't mind a bit of rain and seek the immersive experience only a tropical monsoon climate can offer, this could be an ideal time to observe the region's natural splendor come to life.
Spring weather in Lethem
Spring in Lethem, which corresponds to the months of March through May, experiences increasing rainfall. Temperatures remain relatively uniform, fluctuating between 23°C and 33°C. Early spring in March sees an average rainfall of 33mm, a figure that dramatically ascends to 292mm in May. Daylight remains constant at approximately 12 hours, while sunshine hours peak at 7 hours per day.
Summer weather in Lethem
The summer months in Lethem span from June to August. This period is characterized by the heaviest rainfall of the year, with average precipitation ballooning from 302mm to 376mm. Temperatures, however, remain within the comfortable band of 23°C to 31°C. The daily sunshine hours still even out at around 7 hours, providing reasonably balanced conditions despite the downpours.
Autumn weather in Lethem
Autumn weather in Lethem, extending from September to November, signifies a gradual reduction in rainfall. Precipitation decreases from 86mm in September to 33mm by November. Daily temperatures stick to a familiar pattern, registering between 23°C and 33°C. Sunshine hours notably increase to 8 hours per day, complemented by just under 12 hours of daylight.
Winter weather in Lethem
Winter in Lethem is marked by distinctly lower rainfall, averaging just 33mm in December. The winter phase is typically drier, extending from December through February, with temperatures staying between 23°C and 33°C. Notably, daylight hours retain their consistency at around 12 hours per day, while sunshine duration holds steady at 7 hours per day, providing fair weather conditions for a wide variety of activities.
Weather in January
Lethem, Guyana ushers in the year with warm and humid conditions. Temperatures reach a high of 33°C, highly consistent with this tropical city's usual climate. Generally, January is not the wettest month, yet rainfall is not unknown during this period. Weather in January »
Weather in February
February maintains the climate patterns of the previous month with no significant alterations pertaining to temperature. The consistent tropical feel of the city is evident in the continual warm conditions. Rainfall frequency is somewhat comparable to January, adding a note of humidity to the otherwise warm temperatures. Weather in February »
Weather in March
The weather in March closely mirrors that of the first two months of the year. However, it should be noted that there is a slight increase in total rainfall, marking the transition towards the wetter part of the year. The warmth, daylight levels, and sunshine experienced are consistent with earlier trends. Weather in March »
Weather in April
April brings about a pronounced increase in rainfall with a total rainfall of 145mm, heralding the beginning of the pronounced rainy season. While the temperatures remain relatively steady, April's weather is notably wetter than that in March. Weather in April »
Weather in May
May witnesses a substantial leap in rainfall to 292mm, clearly rendering it one of the wettest months of the year in Lethem, Guyana. This drastic increase in rainfall does not, however, cause substantial variations to the temperature range. Weather in May »
Weather in June
June maintains May’s heavy rainfall pattern with rainfall peaking at 302mm. This month, along with May, distinguishes itself as one of the year's pivotal rainy seasons. However, it does not bring significant deviation in temperature, daylight, or sunshine hours. Weather in June »
Weather in July
In July, Lethem experiences its highest level of rainfall for the year reaching a significant 376mm. This puts July in the limelight as the peak of the city's rainy season. Despite the high rainfall, temperatures, daylight, and sunshine hours do not greatly vary, testifying to the persistently warm, tropical climate. Weather in July »
Weather in August
In August, there's a significant decline in rainfall, dropping to 239mm, marking the tail-end of the rainy season. Even with this reduced rainfall, temperatures remain relatively unchanged, underlining the constant character of Lethem's climate. Weather in August »
Weather in September
September represents a predominant shift in weather patterns with a drastic reduction in rainfall down to 86mm. This downward shift officially marks the closing phase of the wet season. This shift does not dramatically change temperature, daylight, or sunshine aspects, maintaining consistency in the city’s climate. Weather in September »
Weather in October
October continues the drying pattern started in September, reinforcing its position in the drier part of the year. The warmth, daylight, and sunshine hours remain steady, endorsing the city's consistent weather trend. Despite being set within the drier season, the UV index remains high, requiring continual attention to sun protection. Lethem's temperatures tend to hit their maximum during January through April, September through December, with an average high-temperature of 33°C. Weather in October »
Weather in November
In November, rainfall increases slightly establishing a transition period before the onset of the wetter months ahead. This minor increase in rain does not significantly disturb the prevailing temperature range or the measures of daylight and sunshine. Weather in November »
Weather in December
December rounds off the year with the establishment of a rainfall balance of 33mm, mirroring January's weather pattern. The climate remains steadily warm, maintaining the tropical quality of Lethem, Guyana. The temperature, daylight, and sun exposure are consistent with the patterns recorded, aiding to underline the constant climate. Weather in December »
[Resources]FAQ
What part of the year is the hottest in Lethem?
In Lethem, Guyana, the warmest period comes during January through April, September through December, when the average high-temperature touches 33°C.
What is the driest month in Lethem?
January is the month with the least rainfall. Rain falls for 13 days and accumulates 30mm of precipitation.
How much does it rain in Lethem?
In Lethem, during the entire year, the rain falls for 194 days and collects up to 1739mm of precipitation.
What is the month with the least sunshine in Lethem?
January through July and December, with an average of 7h of sunshine, are months with the least sunshine in Lethem.
When is the highest UV index in Lethem?
The months with the highest UV index in Lethem are January through December, with an average maximum UV index of 12.
When is the lowest UV index in Lethem?
The months with the lowest UV index in Lethem are January through December, with an average maximum UV index of 12.
What part of the year is the coldest in Lethem?
Lethem experiences its coldest period in June through August, averaging a high-temperature of 31°C.
When are the longest days in Lethem?
June has the longest days of the year, with an average of 12h and 18min of daylight.
What is the wettest month in Lethem?
July is the month with the most rainfall. Rain falls for 25 days and accumulates 376mm of precipitation.
What is the month with the most sunshine in Lethem?
The months with the most sunshine in Lethem are August through November, with an average of 8h of sunshine.
What is the month with the shortest days in Lethem?
With an average of 11h and 54min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Lethem?
Lethem does not observe Daylight Saving Time (DST). -04 timezone is used throughout the entire year.
Average temperature
Lethem, Guyana
The warmest months (with the highest average high temperature) are January, February, March, April, September, October, November and December (33°C).
The months with the lowest average high temperature are June, July and August (31°C).
The months with the highest average low temperature are September, October and November (24°C).
The coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August and December (23°C).
Average rainfall
Lethem, Guyana
- Average rainfall in January:
30mm - Average rainfall in February:
36mm - Average rainfall in March:
33mm - Average rainfall in April:
145mm - Average rainfall in May:
292mm - Average rainfall in June:
302mm
The wettest month (with the highest rainfall) is July (376mm).
The driest month (with the least rainfall) is January (30mm).
Average rainfall days
Lethem, Guyana
- Average rainfall days in January:
13 days - Average rainfall days in February:
10 days - Average rainfall days in March:
12 days - Average rainfall days in April:
15 days - Average rainfall days in May:
24 days - Average rainfall days in June:
26 days
- Average rainfall days in July:
25 days - Average rainfall days in August:
20 days - Average rainfall days in September:
13 days - Average rainfall days in October:
11 days - Average rainfall days in November:
11 days - Average rainfall days in December:
14 days
The month with the highest number of rainy days is June (26 days).
The month with the least rainy days is February (10 days).
Average daylight / Average sunshine
Lethem, Guyana
- 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 2min - 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 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 5min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
The months with the most sunshine are August, September, October and November (Average sunshine: 8h).
The months with the least sunshine are January, February, March, April, May, June, July and December (Average sunshine: 7h).
Average UV index
Lethem, Guyana
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 12).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 12).
Lethem, Guyana
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