The climate of Sussex
Located within a geographical position subject to Tropical monsoon conditions,
Sussex,
Sierra Leone encounters an Am type of climate according to the Köppen climate classification. The yearly weather conditions in Sussex reveal a noticeable consistency in temperatures paired with significant oscillations in rainfall.
Throughout the year, the highest average temperatures fluctuate between a balmy 27.3°C (81.1°F) observed in
August and a heat peak of 31.4°C (88.5°F) in
January. On the other hand, the lowest temperatures do not exhibit much variance, maintaining a steady average range between a cool 23.9°C (75°F) in August going up to a still comfortable 26.2°C (79.2°F) in
May.
Relative humidity seems to follow a corresponding pattern, with the driest months between January and
February, humanity increases reaching its highest point in August. Rainfall patterns, however, vary significantly, with February being a relatively dry month with an average rainfall of 1mm (0.04"), while
July and August experience the heaviest downpours with an impressive 387mm (15.24") and 391mm (15.39") respectively.
The frequency of rainfall follows a similar pattern to quantity. February has less than one day of rainfall, while July and August are the peak months with over 30 days of reported rainfall. Notable is the variation in the amount of daylight, from a high of 12.6 hours in
June and July to a low of 11.6 hours in
December. On the other hand, the actual hours of sunshine decrease to a low of 4.8 hours in August due to increased rainfall and cloud cover.
The best time to visit Sussex
Considering both temperature and precipitation, the optimal period to visit
Sussex falls between the months of
December to
April. During this window, the place experiences the lowest average rainfall extending from 2mm (0.08") in
January to 6mm (0.24") in
March with temperatures remaining relatively stable, averaging between 24.1°C (75.4°F) to 25.3°C (77.5°F), providing comfortable conditions for outdoor activities.
The worst time to visit Sussex
Travelers should exercise caution when planning a visit between
May and
November. With the onset of the monsoon, average rainfall dramatically increases from 66mm (2.6") in May to a substantial peak of 391mm (15.39") in
August. Consequently, the number of rainfall days also expands significantly, impacting visibility and outdoor experiences.
Spring weather in Sussex
Spring months in
Sussex deliver a climb in both temperatures and rainfall. From
March to
May, average high temperatures move from 31°C (87.8°F) to 30.7°C (87.3°F), while the average low remains slightly cooler from 24.6°C (76.3°F) to 26.2°C (79.2°F). The rainy season begins with rainfall incrementally increasing from 6mm (0.24") in March to 66mm (2.6") in May.
Summer weather in Sussex
A noticeable trait of summer weather in
Sussex is the sharp rise in rainfall.
June marks the onset of the monsoon season, with average rainfall tallying 199mm (7.83"), and it increases to the year's peak at 391mm (15.39") in
August. Though temperatures remain relatively consistent, the heavy rain and increased humidity may provide discomfort to travelers. Average high temperatures range from 29.3°C (84.7°F) to 27.3°C (81.1°F) while the average low nestles between 25.3°C (77.5°F) to 23.9°C (75°F).
Autumn weather in Sussex
The autumn season, extending from
September to
November, witnesses gradual reduction in rainfall from 220mm (8.66") to 59mm (2.32"). Correspondingly, the number of rainfall days decreases, resulting in a gradual increase in sunshine hours. Stable temperatures persist, with the average high resting between 28.1°C (82.6°F) to 30.1°C (86.2°F), and the average low ranging from 24.4°C (75.9°F) to 25.3°C (77.5°F).
Winter weather in Sussex
Winter offers a departure from the heavy rainfall and humidity observed for most of the year.
December ushers in a dry period, with negligible rainfall of 7mm (0.28") and relatively low humidity. Average high temperatures continue to remain stable at 31°C (87.8°F), while the average low dips slightly to 24.5°C (76.1°F). With 11.7 hours of daylight, winter serves as an inviting window for outdoor explorations in
Sussex,
Sierra Leone.
Weather in January
In
January,
Sussex experiences a blend of warmth and moderate humidity. The monthly average maximum temperature tops at 31.4°C (88.5°F) and minimal rainfall of only 2mm (0.08") occurs, indicating a dry weather pattern. The winds perform a light dance with an average speed of 9.3km/h (5.8mph), creating a gentle, constant beach breeze.
Weather in January »Weather in February
Shifting from
January to
February, the weather remains mostly stable with minimal changes in
Sussex. The temperatures slightly decline with the maximum average reaching 31.3°C (88.3°F). The most noticeable change in February is the elevation in humidity levels by 2% and a reduced rainfall quantity of just 1mm (0.04").
Weather in February »Weather in March
March ushers in a few alterations in
Sussex weather. It hosts an experienced change in atmospheric pressure, with an average reading of 1010.4mb. March sees an increase in rainfall to 6mm (0.24"), a substantial leap when compared to preceding months.
Weather in March »
Weather in April
The arrival of
April brings about a striking change in the landscape of
Sussex weather patterns. There is a significant increase in the quantity of rainfall, soaring from 6mm (0.24") in
March to 18mm (0.71") in April. Noteworthy is the rise in relative humidity to 74%, hinting at an escalation in the rainy season impact.
Weather in April »Weather in May
The month of
May in
Sussex marks the peak of the rainy season. This month registers a remarkable increase in rainfall to 66mm (2.6"). A distinct shift toward cooler temperatures occurs, with the maximum temperature averaging 30.7°C (87.3°F).
Weather in May »Weather in June
Transitioning into
June,
Sussex witnesses an upswing in rainfall with a dramatic rise to 199mm (7.83"). There is also a further dip in maximum temperatures to a comfortable 29.3°C (84.7°F). A merely nominal reduction in daylight hours is also recorded.
Weather in June »
Weather in July
July holds the record for the heaviest rainfall in
Sussex with a high of 387mm (15.24"). A noteworthy drop in maximum temperatures happens, descending to a comfortable 27.8°C (82°F). However, the weather pattern sees a fair amount of sunshine with days lasting up to 12.6 hours.
Weather in July » Weather in August
August weather stays on the same course as
July in
Sussex. The rainfall quantity remains high at 391mm (15.39"), and the temperature hovers around 27.3°C (81.1°F) for maximum average. The intensity of the winds increases, with an average speed of 12km/h (7.5mph).
Weather in August » Weather in September
Alterations appear in
September weather in
Sussex. A substantial decrease in rainfall to 220mm (8.66") signals the receding of the rainy season. The maximum temperature rises moderately to 28.1°C (82.6°F), and a steady wind speed of 9.5km/h (5.9mph) is maintained.
Weather in September »
Weather in October
With the arrival of
October,
Sussex experiences a visible shift in weather. The quantity of rainfall further diminishes to 151mm (5.94"). A noticeable surge in maximum temperature occurs, reclaiming the 29.5°C (85.1°F) mark. There are longer, sunnier days, with 11.9 hours of daylight.
Weather in October »Weather in November
November ushers more sunshine into
Sussex. Both the maximum temperature and rainfall remain stable at 30.1°C (86.2°F) and 59mm (2.32"), respectively. Yet, tarnishing this sunny picture is the reduced wind speed, dipping to a yearly low of 6.8km/h (4.2mph).
Weather in November » Weather in December
Closing out the year,
December weather in
Sussex stabilizes with barely noticeable changes from
November. The maximum temperature hits the 31°C (87.8°F) mark, and rainfall is at a yearly low of 7mm (0.28"). The wind speed remains relatively steady, with a minor increase to 7.6km/h (4.7mph).
Weather in December » [Resources]