For those seeking warm weather, the ideal time to visit Nelson is in January, February and March. During these months, temperatures typically soar to an average of 20.89 °C, and you'll find that January, February and March are the sunniest months, with an average of 82.48 hours of sunshine.
Conversely, if you favor cooler weather, consider planning your trip to Nelson in July, June or August. During this period, you can expect an average temperature of 1.03 °C.
For travelers indifferent to temperature but keen to steer clear of rain, it’s wise to avoid visiting during January, May and August, when the average precipitation in Nelson reaches 6.75 mm. Instead, consider the drier months of January, February and March, which feature significantly lower rainfall, averaging only 0 mm.