Santarém, where it's located

The climate of Santarém is Mediterranean, with mild, relatively rainy winters and hot, sunny summers.
The city is located in the central part of Portugal, about 50 km (30 mi) from the ocean.
The average temperature of the coldest month (January) is of 9.6 °C (49 °F), that of the warmest month (August) is of 22.8 °C (73 °F). In summer, sometimes it can be very hot, while on the coast, in Peniche it is cool and windy. The lowest record (of the 1971/2000 period) is -4.4 °C (24 °F), the highest is 43.5 °C (110 °F). Here are the average temperatures.
Santarém - Average temperatures
Min (°C)567911131515141286
Max (°C)141618202227303028231815
Min (°F)414345485255595957544643
Max (°F)576164687281868682736459

Precipitation amounts to 695 millimeters (27.4 inches) per year: so, it is at an intermediate level. It ranges from 5 mm (0.2 in) in the driest months (July, August) to 105 mm (4.1 in) in the wettest (December). Here is the average precipitation.
Santarém - Average precipitation

On average, there are around 2,930 sunshine hours per year: therefore, the amount of sunshine is very good. Here are the average sunshine hours per day.
Santarém - Sunshine


Best Time

The best times to visit Santarém are spring and autumn, ie from mid-April to mid-June and from September to early October. In June, the weather is often nice, but it can sometimes be hot, especially in the second half of the month.