Last updated: January 18, 2025
Dadra and Nagar Haveli and Daman and Diu showcase a diverse climate characterized by the Köppen-Geiger classifications of As (Tropical Savanna) and Aw (Tropical Wet and Dry). The region experiences a significant temperature range, with a minimum of 11°C (53°F) recorded in February, averaging 27°C (81°F) throughout the year, and peaking at a sweltering 40°C (105°F) in April. This climatic variability underscores the unique environmental conditions that influence both the ecology and lifestyle of the local population.
Dadra and Nagar Haveli and Daman and Diu exhibit distinct seasonal temperature patterns throughout the year. The region begins its year with cooler temperatures in January, where minimums reach 12°C (53°F), gradually warming through February, reaching a peak average of 24°C (75°F). March ushers in a marked increase, with maximum temperatures soaring to 40°C (104°F), while April sustains high heat at an average of 29°C (84°F). As the monsoon approaches in May and June, temperatures remain elevated but begin to stabilize, with average highs around 30°C (86°F). The months of July and August bring a slight cooling effect due to rainfall, with average temperatures hovering between 27°C (81°F) and 28°C (82°F). Following the monsoon, September to November displays a gradual decline in temperatures, with November echoing the warmer months at an average of 27°C (81°F) but with significantly lower maximums. By December, the temperature drops to a comfortable range, concluding the year with averages of 24°C (75°F) and minimums around 13°C (55°F), highlighting the region's transition from the heat of the summer months to the cooler winter period.
In Silvassa, temperatures range from a minimum of 11°C (53°F) in February to a scorching maximum of 40°C (105°F) in April monthly temperatures in Silvassa. Diu experiences milder weather with a minimum of 16°C (60°F) in January and a maximum of 36°C (97°F) in April monthly temperatures in Diu. Meanwhile, Daman sees slightly warmer conditions, with temperatures starting at a minimum of 17°C (64°F) in January and peaking at 34°C (94°F) in May monthly temperatures in Daman.
The precipitation patterns in Dadra and Nagar Haveli and Daman and Diu reveal a stark contrast between the dry and wet seasons. From January to April, the region experiences minimal rainfall, with January through March recording just 1 mm each month and February receiving no rain at all. This dry spell sets the stage for the onset of the monsoon, which commences in May, when precipitation sharply increases to 25 mm, indicating the arrival of the wet season.
The peak of the monsoon occurs from June through September, with July being particularly notable, as it receives a staggering 474 mm of rain over approximately 29 days. August is similarly affected, with 450 mm of precipitation, leading to consistently high humidity and cloud cover. By September, rainfall begins to taper off, yet still remains substantial with 340 mm. The post-monsoon months of October to December see a significant reduction in rainfall, with October yielding 49 mm and November just 10 mm, culminating in 31 mm in December, signaling the gradual end of the rainy season. Overall, this seasonal variability emphasizes the region's reliance on monsoon rains for its ecosystem and agriculture.
Dadra and Nagar Haveli and Daman and Diu experience notable fluctuations in sunshine duration throughout the year, reflecting distinct seasonal trends. The winter months of January to March kick off with a steady increase in sunshine, starting from 256 hours in January and peaking at 345 hours in March. As spring transitions into summer, April and May continue this upward trajectory, with sunshine hours reaching 348 hours and 367 hours, respectively. This period marks the region's sunniest months, characterized by bright, clear skies, ideal for outdoor activities and tourism.
As the monsoon season approaches in June, there is a noticeable drop in sunshine duration to 328 hours. This decline becomes more pronounced in July and August, when cloud cover and increased rainfall reduce sunlight to 241 hours and 259 hours, respectively. Following the monsoon, September sees a slight recovery with 276 hours of sunshine, and by October, the duration rebounds to 322 hours. The year concludes with relatively stable sunshine in November and December, both of which provide around 306 to 299 hours of sunlight. Thus, the climate year is marked by a vibrant summer sun, contrasted by the cloudy, wet months of the monsoon, showcasing the region's dynamic interplay of climate and sunshine.
The UV Index in Dadra and Nagar Haveli and Daman and Diu reveals significant seasonal variations in sun exposure risk throughout the year. Starting from January, the UV Index registers at 8, indicating a very high exposure category with a recommended burn time of just 15 minutes. As winter progresses into spring, the values rise steadily, reaching a peak of 10 in March before hitting an extreme high of 12 in April and May. This trend indicates an increasing intensity of solar radiation, necessitating greater caution and sun protection measures as the summer months approach.
During the monsoon season from June to September, the UV Index remains elevated at 13, categorized as extreme, requiring a burn time of only 10 minutes. This period of sustained high UV levels calls for heightened awareness and protective practices against skin damage. As the year transitions into October, the UV Index begins to decline gradually, dropping to 10 and then down to 7 in November and December. These cooler months provide a respite from the intense sun exposure, with a longer burn time of 25 minutes, allowing residents and visitors to enjoy outdoor activities with reduced risk of UV-related harm. Overall, the data underscores the critical need for effective sun protection strategies during peak UV periods, especially in the summer and monsoon months.
UV Risk Categories
Daylight duration in Dadra and Nagar Haveli and Daman and Diu exhibits a consistent pattern that aligns with seasonal changes throughout the year. The year begins with approximately 11 hours of daylight in both January and February, providing relatively stable lighting conditions. As spring approaches, March marks a gradual increase to 12 hours, which continues into April. The month of May brings the longest daylight duration of 13 hours, a trend that persists through June and July, allowing ample time for various outdoor activities amidst the warm summer climate.
As the region transitions back into autumn, daylight begins to diminish, with August witnessing a slight decline to 12 hours. This reduction continues into October and November, where daylight levels stabilize back at 11 hours. By December, the duration decreases further to 10 hours, marking the shortest day of the year. This seasonal fluctuation in daylight duration not only influences daily routines but also impacts local agriculture and tourism, highlighting the region’s dependence on sunlight throughout the year.
Amli, India experiences a tropical climate characterized by high temperatures and significant seasonal rainfall. The warmest months are April and May, with average temperatures peaking at around 30°C (87°F) and maximums reaching 40°C (104°F). The monsoon season from June to September brings heavy rain, with July and August experiencing the highest precipitation at 478 mm (18.8 in) and 506 mm (19.9 in), respectively. Despite the rain, Amli enjoys substantial sunshine, particularly in the pre-monsoon months. For more details, visit Amli climate.
Dadra, India experiences a tropical climate characterized by a significant variation in temperature and rainfall throughout the year. Temperatures typically range from a minimum of 11°C (52°F) in February to a maximum of 40°C (104°F) in April and March, with a warm average of around 27°C (81°F) during the hotter months. The region receives the bulk of its precipitation during the monsoon season, particularly in July and August, when rainfall can exceed 500 mm (19.7 in). Despite the rainy season, Dadra enjoys substantial sunshine hours, peaking at 367 hours in May. For more detailed information, visit Dadra climate.
Daman, India, experiences a tropical climate with warm temperatures year-round. Winter months from December to February are mild, with averages ranging from 23°C to 24°C (73°F to 75°F) and minimal rainfall. As summer approaches, temperatures rise, peaking in May at an average of 29°C (85°F) with increased precipitation. The monsoon season, from June to September, brings significant rainfall, notably in July, with 597 mm (23.5 in). For detailed climate information, visit Daman climate.
Diu, India, experiences a tropical climate characterized by warm temperatures year-round. January to April sees the mercury rise, with averages ranging from 22°C (73°F) to 29°C (84°F), before peaking in May, reaching highs of 35°C (95°F). The monsoon season from June to September brings significant rainfall, particularly in July with 340 mm (13.4 in) recorded, while the rest of the year remains dry. Sunshine hours peak in May with 370 hours, tapering off during the monsoon months. For more details, visit Diu climate.
Silvassa, India, experiences a tropical climate characterized by high temperatures and significant rainfall, particularly during the monsoon months. The temperature ranges from a minimum of 11°C (53°F) in February to a maximum of 40°C (104°F) in April. Rainfall peaks in July and August, with over 500 mm (19.7 in) recorded, while January sees minimal precipitation. The region enjoys abundant sunshine, especially from March to May, with up to 367 hours of sun in May. For more details, visit the Silvassa climate.
In conclusion, the climatic characteristics of Dadra and Nagar Haveli and Daman and Diu reveal distinct seasonal patterns that significantly affect the local environment, lifestyle, and economy. From the extreme UV Index levels during the summer and monsoon months to the variations in sunshine duration and daylight, the region experiences a dynamic interplay of weather elements throughout the year. Understanding these climatic trends is essential for the residents and visitors alike, as it informs essential practices for sun protection, agricultural planning, and tourism activities. Ultimately, the rich climatic diversity of this region underscores its unique ecological and cultural significance within India.